21000314860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1\times {\mathrm{7681}}^1$

素因数の和:8087

約数の個数: 96

約数和(自身を含む): 51416547840

約数和(自身を除く): 30416232980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 331, 413, 590, 662, 826, 1180, 1324, 1652, 1655, 2065, 2317, 3310, 4130, 4634, 6620, 7681, 8260, 9268, 11585, 15362, 19529, 23170, 30724, 38405, 39058, 46340, 53767, 76810, 78116, 97645, 107534, 136703, 153620, 195290, 215068, 268835, 273406, 390580, 453179, 537670, 546812, 683515, 906358, 1075340, 1367030, 1812716, 2265895, 2542411, 2734060, 3172253, 4531790, 5084822, 6344506, 9063580, 10169644, 12689012, 12712055, 15861265, 17796877, 25424110, 31722530, 35593754, 50848220, 63445060, 71187508, 88984385, 150002249, 177968770, 300004498, 355937540, 600008996, 750011245, 1050015743, 1500022490, 2100031486, 3000044980, 4200062972, 5250078715, 10500157430, 21000314860]

約数ペア:

[(1, 21000314860), (2, 10500157430), (4, 5250078715), (5, 4200062972), (7, 3000044980), (10, 2100031486), (14, 1500022490), (20, 1050015743), (28, 750011245), (35, 600008996), (59, 355937540), (70, 300004498), (118, 177968770), (140, 150002249), (236, 88984385), (295, 71187508), (331, 63445060), (413, 50848220), (590, 35593754), (662, 31722530), (826, 25424110), (1180, 17796877), (1324, 15861265), (1652, 12712055), (1655, 12689012), (2065, 10169644), (2317, 9063580), (3310, 6344506), (4130, 5084822), (4634, 4531790), (6620, 3172253), (7681, 2734060), (8260, 2542411), (9268, 2265895), (11585, 1812716), (15362, 1367030), (19529, 1075340), (23170, 906358), (30724, 683515), (38405, 546812), (39058, 537670), (46340, 453179), (53767, 390580), (76810, 273406), (78116, 268835), (97645, 215068), (107534, 195290), (136703, 153620)]