21551820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11587}}^1$

素因数の和:11630

約数の個数: 48

約数和(自身を含む): 62297088

約数和(自身を除く): 40745268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11587, 23174, 34761, 46348, 57935, 69522, 115870, 139044, 173805, 231740, 347610, 359197, 695220, 718394, 1077591, 1436788, 1795985, 2155182, 3591970, 4310364, 5387955, 7183940, 10775910, 21551820]

約数ペア:

[(1, 21551820), (2, 10775910), (3, 7183940), (4, 5387955), (5, 4310364), (6, 3591970), (10, 2155182), (12, 1795985), (15, 1436788), (20, 1077591), (30, 718394), (31, 695220), (60, 359197), (62, 347610), (93, 231740), (124, 173805), (155, 139044), (186, 115870), (310, 69522), (372, 57935), (465, 46348), (620, 34761), (930, 23174), (1860, 11587)]