21073560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1163}}^1$

素因数の和:1328

約数の個数: 64

約数和(自身を含む): 63694080

約数和(自身を除く): 42620520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 604, 755, 906, 1163, 1208, 1510, 1812, 2265, 2326, 3020, 3489, 3624, 4530, 4652, 5815, 6040, 6978, 9060, 9304, 11630, 13956, 17445, 18120, 23260, 27912, 34890, 46520, 69780, 139560, 175613, 351226, 526839, 702452, 878065, 1053678, 1404904, 1756130, 2107356, 2634195, 3512260, 4214712, 5268390, 7024520, 10536780, 21073560]

約数ペア:

[(1, 21073560), (2, 10536780), (3, 7024520), (4, 5268390), (5, 4214712), (6, 3512260), (8, 2634195), (10, 2107356), (12, 1756130), (15, 1404904), (20, 1053678), (24, 878065), (30, 702452), (40, 526839), (60, 351226), (120, 175613), (151, 139560), (302, 69780), (453, 46520), (604, 34890), (755, 27912), (906, 23260), (1163, 18120), (1208, 17445), (1510, 13956), (1812, 11630), (2265, 9304), (2326, 9060), (3020, 6978), (3489, 6040), (3624, 5815), (4530, 4652)]