21355542

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1049}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 52920000

約数和(自身を除く): 31564458

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 29, 39, 54, 58, 78, 87, 117, 174, 234, 261, 351, 377, 522, 702, 754, 783, 1049, 1131, 1566, 2098, 2262, 3147, 3393, 6294, 6786, 9441, 10179, 13637, 18882, 20358, 27274, 28323, 30421, 40911, 56646, 60842, 81822, 91263, 122733, 182526, 245466, 273789, 368199, 395473, 547578, 736398, 790946, 821367, 1186419, 1642734, 2372838, 3559257, 7118514, 10677771, 21355542]

約数ペア:

[(1, 21355542), (2, 10677771), (3, 7118514), (6, 3559257), (9, 2372838), (13, 1642734), (18, 1186419), (26, 821367), (27, 790946), (29, 736398), (39, 547578), (54, 395473), (58, 368199), (78, 273789), (87, 245466), (117, 182526), (174, 122733), (234, 91263), (261, 81822), (351, 60842), (377, 56646), (522, 40911), (702, 30421), (754, 28323), (783, 27274), (1049, 20358), (1131, 18882), (1566, 13637), (2098, 10179), (2262, 9441), (3147, 6786), (3393, 6294)]