21603391508

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1667443}}^1$

素因数の和:1667567

約数の個数: 24

約数和(自身を含む): 39218282880

約数和(自身を除く): 17614891372

約数列:

[1, 2, 4, 41, 79, 82, 158, 164, 316, 3239, 6478, 12956, 1667443, 3334886, 6669772, 68365163, 131727997, 136730326, 263455994, 273460652, 526911988, 5400847877, 10801695754, 21603391508]

約数ペア:

[(1, 21603391508), (2, 10801695754), (4, 5400847877), (41, 526911988), (79, 273460652), (82, 263455994), (158, 136730326), (164, 131727997), (316, 68365163), (3239, 6669772), (6478, 3334886), (12956, 1667443)]