21619150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3251}}^1$

素因数の和:3289

約数の個数: 48

約数和(自身を含む): 48389760

約数和(自身を除く): 26770610

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 475, 665, 950, 1330, 3251, 3325, 6502, 6650, 16255, 22757, 32510, 45514, 61769, 81275, 113785, 123538, 162550, 227570, 308845, 432383, 568925, 617690, 864766, 1137850, 1544225, 2161915, 3088450, 4323830, 10809575, 21619150]

約数ペア:

[(1, 21619150), (2, 10809575), (5, 4323830), (7, 3088450), (10, 2161915), (14, 1544225), (19, 1137850), (25, 864766), (35, 617690), (38, 568925), (50, 432383), (70, 308845), (95, 227570), (133, 162550), (175, 123538), (190, 113785), (266, 81275), (350, 61769), (475, 45514), (665, 32510), (950, 22757), (1330, 16255), (3251, 6650), (3325, 6502)]