21813150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4691}}^1$

素因数の和:4737

約数の個数: 48

約数和(自身を含む): 55853568

約数和(自身を除く): 34040418

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 150, 155, 186, 310, 465, 775, 930, 1550, 2325, 4650, 4691, 9382, 14073, 23455, 28146, 46910, 70365, 117275, 140730, 145421, 234550, 290842, 351825, 436263, 703650, 727105, 872526, 1454210, 2181315, 3635525, 4362630, 7271050, 10906575, 21813150]

約数ペア:

[(1, 21813150), (2, 10906575), (3, 7271050), (5, 4362630), (6, 3635525), (10, 2181315), (15, 1454210), (25, 872526), (30, 727105), (31, 703650), (50, 436263), (62, 351825), (75, 290842), (93, 234550), (150, 145421), (155, 140730), (186, 117275), (310, 70365), (465, 46910), (775, 28146), (930, 23455), (1550, 14073), (2325, 9382), (4650, 4691)]