21034426530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{26687}}^1$

素因数の和:26800

約数の個数: 128

約数和(自身を含む): 56815976448

約数和(自身を除く): 35781549918

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 47, 65, 78, 86, 94, 129, 130, 141, 195, 215, 235, 258, 282, 390, 430, 470, 559, 611, 645, 705, 1118, 1222, 1290, 1410, 1677, 1833, 2021, 2795, 3055, 3354, 3666, 4042, 5590, 6063, 6110, 8385, 9165, 10105, 12126, 16770, 18330, 20210, 26273, 26687, 30315, 52546, 53374, 60630, 78819, 80061, 131365, 133435, 157638, 160122, 262730, 266870, 346931, 394095, 400305, 693862, 788190, 800610, 1040793, 1147541, 1254289, 1734655, 2081586, 2295082, 2508578, 3442623, 3469310, 3762867, 5203965, 5737705, 6271445, 6885246, 7525734, 10407930, 11475410, 12542890, 14918033, 16305757, 17213115, 18814335, 29836066, 32611514, 34426230, 37628670, 44754099, 48917271, 53934427, 74590165, 81528785, 89508198, 97834542, 107868854, 149180330, 161803281, 163057570, 223770495, 244586355, 269672135, 323606562, 447540990, 489172710, 539344270, 701147551, 809016405, 1402295102, 1618032810, 2103442653, 3505737755, 4206885306, 7011475510, 10517213265, 21034426530]

約数ペア:

[(1, 21034426530), (2, 10517213265), (3, 7011475510), (5, 4206885306), (6, 3505737755), (10, 2103442653), (13, 1618032810), (15, 1402295102), (26, 809016405), (30, 701147551), (39, 539344270), (43, 489172710), (47, 447540990), (65, 323606562), (78, 269672135), (86, 244586355), (94, 223770495), (129, 163057570), (130, 161803281), (141, 149180330), (195, 107868854), (215, 97834542), (235, 89508198), (258, 81528785), (282, 74590165), (390, 53934427), (430, 48917271), (470, 44754099), (559, 37628670), (611, 34426230), (645, 32611514), (705, 29836066), (1118, 18814335), (1222, 17213115), (1290, 16305757), (1410, 14918033), (1677, 12542890), (1833, 11475410), (2021, 10407930), (2795, 7525734), (3055, 6885246), (3354, 6271445), (3666, 5737705), (4042, 5203965), (5590, 3762867), (6063, 3469310), (6110, 3442623), (8385, 2508578), (9165, 2295082), (10105, 2081586), (12126, 1734655), (16770, 1254289), (18330, 1147541), (20210, 1040793), (26273, 800610), (26687, 788190), (30315, 693862), (52546, 400305), (53374, 394095), (60630, 346931), (78819, 266870), (80061, 262730), (131365, 160122), (133435, 157638)]