21000718536

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{3229}}^1\times {\mathrm{38713}}^1$

素因数の和:41958

約数の個数: 64

約数和(自身を含む): 60022185600

約数和(自身を除く): 39021467064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 3229, 6458, 9687, 12916, 19374, 22603, 25832, 38713, 38748, 45206, 67809, 77426, 77496, 90412, 116139, 135618, 154852, 180824, 232278, 270991, 271236, 309704, 464556, 541982, 542472, 812973, 929112, 1083964, 1625946, 2167928, 3251892, 6503784, 125004277, 250008554, 375012831, 500017108, 750025662, 875029939, 1000034216, 1500051324, 1750059878, 2625089817, 3000102648, 3500119756, 5250179634, 7000239512, 10500359268, 21000718536]

約数ペア:

[(1, 21000718536), (2, 10500359268), (3, 7000239512), (4, 5250179634), (6, 3500119756), (7, 3000102648), (8, 2625089817), (12, 1750059878), (14, 1500051324), (21, 1000034216), (24, 875029939), (28, 750025662), (42, 500017108), (56, 375012831), (84, 250008554), (168, 125004277), (3229, 6503784), (6458, 3251892), (9687, 2167928), (12916, 1625946), (19374, 1083964), (22603, 929112), (25832, 812973), (38713, 542472), (38748, 541982), (45206, 464556), (67809, 309704), (77426, 271236), (77496, 270991), (90412, 232278), (116139, 180824), (135618, 154852)]