21298729980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{44389}}^1$

素因数の和:45139

約数の個数: 96

約数和(自身を含む): 65148894720

約数和(自身を除く): 43850164740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 727, 1454, 2181, 2908, 3635, 4362, 7270, 7997, 8724, 10905, 14540, 15994, 21810, 23991, 31988, 39985, 43620, 44389, 47982, 79970, 88778, 95964, 119955, 133167, 159940, 177556, 221945, 239910, 266334, 443890, 479820, 488279, 532668, 665835, 887780, 976558, 1331670, 1464837, 1953116, 2441395, 2663340, 2929674, 4882790, 5859348, 7324185, 9765580, 14648370, 29296740, 32270803, 64541606, 96812409, 129083212, 161354015, 193624818, 322708030, 354978833, 387249636, 484062045, 645416060, 709957666, 968124090, 1064936499, 1419915332, 1774894165, 1936248180, 2129872998, 3549788330, 4259745996, 5324682495, 7099576660, 10649364990, 21298729980]

約数ペア:

[(1, 21298729980), (2, 10649364990), (3, 7099576660), (4, 5324682495), (5, 4259745996), (6, 3549788330), (10, 2129872998), (11, 1936248180), (12, 1774894165), (15, 1419915332), (20, 1064936499), (22, 968124090), (30, 709957666), (33, 645416060), (44, 484062045), (55, 387249636), (60, 354978833), (66, 322708030), (110, 193624818), (132, 161354015), (165, 129083212), (220, 96812409), (330, 64541606), (660, 32270803), (727, 29296740), (1454, 14648370), (2181, 9765580), (2908, 7324185), (3635, 5859348), (4362, 4882790), (7270, 2929674), (7997, 2663340), (8724, 2441395), (10905, 1953116), (14540, 1464837), (15994, 1331670), (21810, 976558), (23991, 887780), (31988, 665835), (39985, 532668), (43620, 488279), (44389, 479820), (47982, 443890), (79970, 266334), (88778, 239910), (95964, 221945), (119955, 177556), (133167, 159940)]