21207116260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1\times {\mathrm{1117}}^1$

素因数の和:1757

約数の個数: 96

約数和(自身を含む): 48976986240

約数和(自身を除く): 27769869980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 409, 422, 818, 844, 1055, 1117, 1636, 2045, 2110, 2234, 2321, 4090, 4220, 4468, 4499, 4642, 5585, 8180, 8998, 9284, 11170, 11605, 12287, 17996, 22340, 22495, 23210, 24574, 44990, 46420, 49148, 61435, 86299, 89980, 122870, 172598, 235687, 245740, 345196, 431495, 456853, 471374, 862990, 913706, 942748, 949289, 1178435, 1725980, 1827412, 1898578, 2284265, 2356870, 2592557, 3797156, 4568530, 4713740, 4746445, 5025383, 5185114, 9137060, 9492890, 10050766, 10370228, 12962785, 18985780, 20101532, 25126915, 25925570, 50253830, 51851140, 96395983, 100507660, 192791966, 385583932, 481979915, 963959830, 1060355813, 1927919660, 2120711626, 4241423252, 5301779065, 10603558130, 21207116260]

約数ペア:

[(1, 21207116260), (2, 10603558130), (4, 5301779065), (5, 4241423252), (10, 2120711626), (11, 1927919660), (20, 1060355813), (22, 963959830), (44, 481979915), (55, 385583932), (110, 192791966), (211, 100507660), (220, 96395983), (409, 51851140), (422, 50253830), (818, 25925570), (844, 25126915), (1055, 20101532), (1117, 18985780), (1636, 12962785), (2045, 10370228), (2110, 10050766), (2234, 9492890), (2321, 9137060), (4090, 5185114), (4220, 5025383), (4468, 4746445), (4499, 4713740), (4642, 4568530), (5585, 3797156), (8180, 2592557), (8998, 2356870), (9284, 2284265), (11170, 1898578), (11605, 1827412), (12287, 1725980), (17996, 1178435), (22340, 949289), (22495, 942748), (23210, 913706), (24574, 862990), (44990, 471374), (46420, 456853), (49148, 431495), (61435, 345196), (86299, 245740), (89980, 235687), (122870, 172598)]