21902946

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 51045120

約数和(自身を除く): 29142174

約数列:

[1, 2, 3, 6, 13, 23, 26, 29, 39, 46, 58, 69, 78, 87, 138, 174, 299, 377, 421, 598, 667, 754, 842, 897, 1131, 1263, 1334, 1794, 2001, 2262, 2526, 4002, 5473, 8671, 9683, 10946, 12209, 16419, 17342, 19366, 24418, 26013, 29049, 32838, 36627, 52026, 58098, 73254, 125879, 158717, 251758, 280807, 317434, 377637, 476151, 561614, 755274, 842421, 952302, 1684842, 3650491, 7300982, 10951473, 21902946]

約数ペア:

[(1, 21902946), (2, 10951473), (3, 7300982), (6, 3650491), (13, 1684842), (23, 952302), (26, 842421), (29, 755274), (39, 561614), (46, 476151), (58, 377637), (69, 317434), (78, 280807), (87, 251758), (138, 158717), (174, 125879), (299, 73254), (377, 58098), (421, 52026), (598, 36627), (667, 32838), (754, 29049), (842, 26013), (897, 24418), (1131, 19366), (1263, 17342), (1334, 16419), (1794, 12209), (2001, 10946), (2262, 9683), (2526, 8671), (4002, 5473)]