21482910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8231}}^1$

素因数の和:8273

約数の個数: 48

約数和(自身を含む): 57788640

約数和(自身を除く): 36305730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 8231, 16462, 24693, 41155, 49386, 74079, 82310, 123465, 148158, 238699, 246930, 370395, 477398, 716097, 740790, 1193495, 1432194, 2148291, 2386990, 3580485, 4296582, 7160970, 10741455, 21482910]

約数ペア:

[(1, 21482910), (2, 10741455), (3, 7160970), (5, 4296582), (6, 3580485), (9, 2386990), (10, 2148291), (15, 1432194), (18, 1193495), (29, 740790), (30, 716097), (45, 477398), (58, 370395), (87, 246930), (90, 238699), (145, 148158), (174, 123465), (261, 82310), (290, 74079), (435, 49386), (522, 41155), (870, 24693), (1305, 16462), (2610, 8231)]