21680838

素因数分解:

$2^1\times 3^3\times {\mathrm{179}}^1\times {\mathrm{2243}}^1$

素因数の和:2433

約数の個数: 32

約数和(自身を含む): 48470400

約数和(自身を除く): 26789562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 179, 358, 537, 1074, 1611, 2243, 3222, 4486, 4833, 6729, 9666, 13458, 20187, 40374, 60561, 121122, 401497, 802994, 1204491, 2408982, 3613473, 7226946, 10840419, 21680838]

約数ペア:

[(1, 21680838), (2, 10840419), (3, 7226946), (6, 3613473), (9, 2408982), (18, 1204491), (27, 802994), (54, 401497), (179, 121122), (358, 60561), (537, 40374), (1074, 20187), (1611, 13458), (2243, 9666), (3222, 6729), (4486, 4833)]