21063663

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4441}}^1$

素因数の和:4495

約数の個数: 24

約数和(自身を含む): 33261696

約数和(自身を除く): 12198033

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4441, 4743, 13323, 39969, 75497, 137671, 226491, 413013, 679473, 1239039, 2340407, 7021221, 21063663]

約数ペア:

[(1, 21063663), (3, 7021221), (9, 2340407), (17, 1239039), (31, 679473), (51, 413013), (93, 226491), (153, 137671), (279, 75497), (527, 39969), (1581, 13323), (4441, 4743)]