21603736

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2063}}^1$

素因数の和:2104

約数の個数: 64

約数和(自身を含む): 53498880

約数和(自身を除く): 31895144

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 119, 136, 154, 187, 238, 308, 374, 476, 616, 748, 952, 1309, 1496, 2063, 2618, 4126, 5236, 8252, 10472, 14441, 16504, 22693, 28882, 35071, 45386, 57764, 70142, 90772, 115528, 140284, 158851, 181544, 245497, 280568, 317702, 385781, 490994, 635404, 771562, 981988, 1270808, 1543124, 1963976, 2700467, 3086248, 5400934, 10801868, 21603736]

約数ペア:

[(1, 21603736), (2, 10801868), (4, 5400934), (7, 3086248), (8, 2700467), (11, 1963976), (14, 1543124), (17, 1270808), (22, 981988), (28, 771562), (34, 635404), (44, 490994), (56, 385781), (68, 317702), (77, 280568), (88, 245497), (119, 181544), (136, 158851), (154, 140284), (187, 115528), (238, 90772), (308, 70142), (374, 57764), (476, 45386), (616, 35071), (748, 28882), (952, 22693), (1309, 16504), (1496, 14441), (2063, 10472), (2618, 8252), (4126, 5236)]