21267240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5717}}^1$

素因数の和:5762

約数の個数: 64

約数和(自身を含む): 65871360

約数和(自身を除く): 44604120

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, 5717, 11434, 17151, 22868, 28585, 34302, 45736, 57170, 68604, 85755, 114340, 137208, 171510, 177227, 228680, 343020, 354454, 531681, 686040, 708908, 886135, 1063362, 1417816, 1772270, 2126724, 2658405, 3544540, 4253448, 5316810, 7089080, 10633620, 21267240]

約数ペア:

[(1, 21267240), (2, 10633620), (3, 7089080), (4, 5316810), (5, 4253448), (6, 3544540), (8, 2658405), (10, 2126724), (12, 1772270), (15, 1417816), (20, 1063362), (24, 886135), (30, 708908), (31, 686040), (40, 531681), (60, 354454), (62, 343020), (93, 228680), (120, 177227), (124, 171510), (155, 137208), (186, 114340), (248, 85755), (310, 68604), (372, 57170), (465, 45736), (620, 34302), (744, 28585), (930, 22868), (1240, 17151), (1860, 11434), (3720, 5717)]