21347538

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1553}}^1$

素因数の和:1666

約数の個数: 32

約数和(自身を含む): 44755200

約数和(自身を除く): 23407662

約数列:

[1, 2, 3, 6, 29, 58, 79, 87, 158, 174, 237, 474, 1553, 2291, 3106, 4582, 4659, 6873, 9318, 13746, 45037, 90074, 122687, 135111, 245374, 270222, 368061, 736122, 3557923, 7115846, 10673769, 21347538]

約数ペア:

[(1, 21347538), (2, 10673769), (3, 7115846), (6, 3557923), (29, 736122), (58, 368061), (79, 270222), (87, 245374), (158, 135111), (174, 122687), (237, 90074), (474, 45037), (1553, 13746), (2291, 9318), (3106, 6873), (4582, 4659)]