21203050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2029}}^1$

素因数の和:2071

約数の個数: 48

約数和(自身を含む): 45309600

約数和(自身を除く): 24106550

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 2029, 2090, 4058, 5225, 10145, 10450, 20290, 22319, 38551, 44638, 50725, 77102, 101450, 111595, 192755, 223190, 385510, 424061, 557975, 848122, 963775, 1115950, 1927550, 2120305, 4240610, 10601525, 21203050]

約数ペア:

[(1, 21203050), (2, 10601525), (5, 4240610), (10, 2120305), (11, 1927550), (19, 1115950), (22, 963775), (25, 848122), (38, 557975), (50, 424061), (55, 385510), (95, 223190), (110, 192755), (190, 111595), (209, 101450), (275, 77102), (418, 50725), (475, 44638), (550, 38551), (950, 22319), (1045, 20290), (2029, 10450), (2090, 10145), (4058, 5225)]