21758550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13187}}^1$

素因数の和:13213

約数の個数: 48

約数和(自身を含む): 58871232

約数和(自身を除く): 37112682

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 13187, 26374, 39561, 65935, 79122, 131870, 145057, 197805, 290114, 329675, 395610, 435171, 659350, 725285, 870342, 989025, 1450570, 1978050, 2175855, 3626425, 4351710, 7252850, 10879275, 21758550]

約数ペア:

[(1, 21758550), (2, 10879275), (3, 7252850), (5, 4351710), (6, 3626425), (10, 2175855), (11, 1978050), (15, 1450570), (22, 989025), (25, 870342), (30, 725285), (33, 659350), (50, 435171), (55, 395610), (66, 329675), (75, 290114), (110, 197805), (150, 145057), (165, 131870), (275, 79122), (330, 65935), (550, 39561), (825, 26374), (1650, 13187)]