21587739580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{269}}^1$

素因数の和:644

約数の個数: 192

約数和(自身を含む): 53169177600

約数和(自身を除く): 31581438020

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 73, 76, 95, 110, 146, 190, 209, 220, 263, 269, 292, 365, 380, 418, 526, 538, 730, 803, 836, 1045, 1052, 1076, 1315, 1345, 1387, 1460, 1606, 2090, 2630, 2690, 2774, 2893, 2959, 3212, 4015, 4180, 4997, 5111, 5260, 5380, 5548, 5786, 5918, 6935, 8030, 9994, 10222, 11572, 11836, 13870, 14465, 14795, 15257, 16060, 19199, 19637, 19988, 20444, 24985, 25555, 27740, 28930, 29590, 30514, 38398, 39274, 49970, 51110, 54967, 56221, 57860, 59180, 61028, 70747, 76285, 76796, 78548, 95995, 98185, 99940, 102220, 109934, 112442, 141494, 152570, 191990, 196370, 211189, 216007, 219868, 224884, 274835, 281105, 282988, 305140, 353735, 364781, 373103, 383980, 392740, 422378, 432014, 549670, 562210, 707470, 729562, 746206, 778217, 844756, 864028, 1055945, 1080035, 1099340, 1124420, 1344193, 1414940, 1459124, 1492412, 1556434, 1823905, 1865515, 2111890, 2160070, 2688386, 3112868, 3647810, 3731030, 3891085, 4012591, 4104133, 4223780, 4320140, 5164531, 5376772, 6720965, 7295620, 7462060, 7782170, 8025182, 8208266, 10329062, 13441930, 14786123, 15564340, 16050364, 16416532, 20062955, 20520665, 20658124, 25822655, 26883860, 29572246, 40125910, 41041330, 51645310, 56809841, 59144492, 73930615, 80251820, 82082660, 98126089, 103290620, 113619682, 147861230, 196252178, 227239364, 284049205, 295722460, 392504356, 490630445, 568098410, 981260890, 1079386979, 1136196820, 1962521780, 2158773958, 4317547916, 5396934895, 10793869790, 21587739580]

約数ペア:

[(1, 21587739580), (2, 10793869790), (4, 5396934895), (5, 4317547916), (10, 2158773958), (11, 1962521780), (19, 1136196820), (20, 1079386979), (22, 981260890), (38, 568098410), (44, 490630445), (55, 392504356), (73, 295722460), (76, 284049205), (95, 227239364), (110, 196252178), (146, 147861230), (190, 113619682), (209, 103290620), (220, 98126089), (263, 82082660), (269, 80251820), (292, 73930615), (365, 59144492), (380, 56809841), (418, 51645310), (526, 41041330), (538, 40125910), (730, 29572246), (803, 26883860), (836, 25822655), (1045, 20658124), (1052, 20520665), (1076, 20062955), (1315, 16416532), (1345, 16050364), (1387, 15564340), (1460, 14786123), (1606, 13441930), (2090, 10329062), (2630, 8208266), (2690, 8025182), (2774, 7782170), (2893, 7462060), (2959, 7295620), (3212, 6720965), (4015, 5376772), (4180, 5164531), (4997, 4320140), (5111, 4223780), (5260, 4104133), (5380, 4012591), (5548, 3891085), (5786, 3731030), (5918, 3647810), (6935, 3112868), (8030, 2688386), (9994, 2160070), (10222, 2111890), (11572, 1865515), (11836, 1823905), (13870, 1556434), (14465, 1492412), (14795, 1459124), (15257, 1414940), (16060, 1344193), (19199, 1124420), (19637, 1099340), (19988, 1080035), (20444, 1055945), (24985, 864028), (25555, 844756), (27740, 778217), (28930, 746206), (29590, 729562), (30514, 707470), (38398, 562210), (39274, 549670), (49970, 432014), (51110, 422378), (54967, 392740), (56221, 383980), (57860, 373103), (59180, 364781), (61028, 353735), (70747, 305140), (76285, 282988), (76796, 281105), (78548, 274835), (95995, 224884), (98185, 219868), (99940, 216007), (102220, 211189), (109934, 196370), (112442, 191990), (141494, 152570)]