21105150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12791}}^1$

素因数の和:12817

約数の個数: 48

約数和(自身を含む): 57103488

約数和(自身を除く): 35998338

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, 12791, 25582, 38373, 63955, 76746, 127910, 140701, 191865, 281402, 319775, 383730, 422103, 639550, 703505, 844206, 959325, 1407010, 1918650, 2110515, 3517525, 4221030, 7035050, 10552575, 21105150]

約数ペア:

[(1, 21105150), (2, 10552575), (3, 7035050), (5, 4221030), (6, 3517525), (10, 2110515), (11, 1918650), (15, 1407010), (22, 959325), (25, 844206), (30, 703505), (33, 639550), (50, 422103), (55, 383730), (66, 319775), (75, 281402), (110, 191865), (150, 140701), (165, 127910), (275, 76746), (330, 63955), (550, 38373), (825, 25582), (1650, 12791)]