21955992

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 57425760

約数和(自身を除く): 35469768

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 53, 82, 106, 123, 159, 164, 212, 246, 318, 328, 421, 424, 492, 636, 842, 984, 1263, 1272, 1684, 2173, 2526, 3368, 4346, 5052, 6519, 8692, 10104, 13038, 17261, 17384, 22313, 26076, 34522, 44626, 51783, 52152, 66939, 69044, 89252, 103566, 133878, 138088, 178504, 207132, 267756, 414264, 535512, 914833, 1829666, 2744499, 3659332, 5488998, 7318664, 10977996, 21955992]

約数ペア:

[(1, 21955992), (2, 10977996), (3, 7318664), (4, 5488998), (6, 3659332), (8, 2744499), (12, 1829666), (24, 914833), (41, 535512), (53, 414264), (82, 267756), (106, 207132), (123, 178504), (159, 138088), (164, 133878), (212, 103566), (246, 89252), (318, 69044), (328, 66939), (421, 52152), (424, 51783), (492, 44626), (636, 34522), (842, 26076), (984, 22313), (1263, 17384), (1272, 17261), (1684, 13038), (2173, 10104), (2526, 8692), (3368, 6519), (4346, 5052)]