21868126

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{359}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 39744000

約数和(自身を除く): 17875874

約数列:

[1, 2, 7, 14, 19, 38, 133, 229, 266, 359, 458, 718, 1603, 2513, 3206, 4351, 5026, 6821, 8702, 13642, 30457, 47747, 60914, 82211, 95494, 164422, 575477, 1150954, 1562009, 3124018, 10934063, 21868126]

約数ペア:

[(1, 21868126), (2, 10934063), (7, 3124018), (14, 1562009), (19, 1150954), (38, 575477), (133, 164422), (229, 95494), (266, 82211), (359, 60914), (458, 47747), (718, 30457), (1603, 13642), (2513, 8702), (3206, 6821), (4351, 5026)]