21275640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{523}}^1$

素因数の和:653

約数の個数: 96

約数和(自身を含む): 69891120

約数和(自身を除く): 48615480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 113, 120, 180, 226, 339, 360, 452, 523, 565, 678, 904, 1017, 1046, 1130, 1356, 1569, 1695, 2034, 2092, 2260, 2615, 2712, 3138, 3390, 4068, 4184, 4520, 4707, 5085, 5230, 6276, 6780, 7845, 8136, 9414, 10170, 10460, 12552, 13560, 15690, 18828, 20340, 20920, 23535, 31380, 37656, 40680, 47070, 59099, 62760, 94140, 118198, 177297, 188280, 236396, 295495, 354594, 472792, 531891, 590990, 709188, 886485, 1063782, 1181980, 1418376, 1772970, 2127564, 2363960, 2659455, 3545940, 4255128, 5318910, 7091880, 10637820, 21275640]

約数ペア:

[(1, 21275640), (2, 10637820), (3, 7091880), (4, 5318910), (5, 4255128), (6, 3545940), (8, 2659455), (9, 2363960), (10, 2127564), (12, 1772970), (15, 1418376), (18, 1181980), (20, 1063782), (24, 886485), (30, 709188), (36, 590990), (40, 531891), (45, 472792), (60, 354594), (72, 295495), (90, 236396), (113, 188280), (120, 177297), (180, 118198), (226, 94140), (339, 62760), (360, 59099), (452, 47070), (523, 40680), (565, 37656), (678, 31380), (904, 23535), (1017, 20920), (1046, 20340), (1130, 18828), (1356, 15690), (1569, 13560), (1695, 12552), (2034, 10460), (2092, 10170), (2260, 9414), (2615, 8136), (2712, 7845), (3138, 6780), (3390, 6276), (4068, 5230), (4184, 5085), (4520, 4707)]