21307560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4799}}^1$

素因数の和:4850

約数の個数: 64

約数和(自身を含む): 65664000

約数和(自身を除く): 44356440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4799, 9598, 14397, 19196, 23995, 28794, 38392, 47990, 57588, 71985, 95980, 115176, 143970, 177563, 191960, 287940, 355126, 532689, 575880, 710252, 887815, 1065378, 1420504, 1775630, 2130756, 2663445, 3551260, 4261512, 5326890, 7102520, 10653780, 21307560]

約数ペア:

[(1, 21307560), (2, 10653780), (3, 7102520), (4, 5326890), (5, 4261512), (6, 3551260), (8, 2663445), (10, 2130756), (12, 1775630), (15, 1420504), (20, 1065378), (24, 887815), (30, 710252), (37, 575880), (40, 532689), (60, 355126), (74, 287940), (111, 191960), (120, 177563), (148, 143970), (185, 115176), (222, 95980), (296, 71985), (370, 57588), (444, 47990), (555, 38392), (740, 28794), (888, 23995), (1110, 19196), (1480, 14397), (2220, 9598), (4440, 4799)]