21422312

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2351}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 21760408

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2278, 2351, 4556, 4702, 9112, 9404, 18808, 39967, 79934, 157517, 159868, 315034, 319736, 630068, 1260136, 2677789, 5355578, 10711156, 21422312]

約数ペア:

[(1, 21422312), (2, 10711156), (4, 5355578), (8, 2677789), (17, 1260136), (34, 630068), (67, 319736), (68, 315034), (134, 159868), (136, 157517), (268, 79934), (536, 39967), (1139, 18808), (2278, 9404), (2351, 9112), (4556, 4702)]