21243288

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1201}}^1$

素因数の和:1288

約数の個数: 64

約数和(自身を含む): 58849920

約数和(自身を除く): 37606632

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 67, 88, 132, 134, 201, 264, 268, 402, 536, 737, 804, 1201, 1474, 1608, 2211, 2402, 2948, 3603, 4422, 4804, 5896, 7206, 8844, 9608, 13211, 14412, 17688, 26422, 28824, 39633, 52844, 79266, 80467, 105688, 158532, 160934, 241401, 317064, 321868, 482802, 643736, 885137, 965604, 1770274, 1931208, 2655411, 3540548, 5310822, 7081096, 10621644, 21243288]

約数ペア:

[(1, 21243288), (2, 10621644), (3, 7081096), (4, 5310822), (6, 3540548), (8, 2655411), (11, 1931208), (12, 1770274), (22, 965604), (24, 885137), (33, 643736), (44, 482802), (66, 321868), (67, 317064), (88, 241401), (132, 160934), (134, 158532), (201, 105688), (264, 80467), (268, 79266), (402, 52844), (536, 39633), (737, 28824), (804, 26422), (1201, 17688), (1474, 14412), (1608, 13211), (2211, 9608), (2402, 8844), (2948, 7206), (3603, 5896), (4422, 4804)]