21140760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5683}}^1$

素因数の和:5728

約数の個数: 64

約数和(自身を含む): 65479680

約数和(自身を除く): 44338920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5683, 11366, 17049, 22732, 28415, 34098, 45464, 56830, 68196, 85245, 113660, 136392, 170490, 176173, 227320, 340980, 352346, 528519, 681960, 704692, 880865, 1057038, 1409384, 1761730, 2114076, 2642595, 3523460, 4228152, 5285190, 7046920, 10570380, 21140760]

約数ペア:

[(1, 21140760), (2, 10570380), (3, 7046920), (4, 5285190), (5, 4228152), (6, 3523460), (8, 2642595), (10, 2114076), (12, 1761730), (15, 1409384), (20, 1057038), (24, 880865), (30, 704692), (31, 681960), (40, 528519), (60, 352346), (62, 340980), (93, 227320), (120, 176173), (124, 170490), (155, 136392), (186, 113660), (248, 85245), (310, 68196), (372, 56830), (465, 45464), (620, 34098), (744, 28415), (930, 22732), (1240, 17049), (1860, 11366), (3720, 5683)]