21519588

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 51932160

約数和(自身を除く): 30412572

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 191, 229, 246, 382, 458, 492, 573, 687, 764, 916, 1146, 1374, 2292, 2748, 7831, 9389, 15662, 18778, 23493, 28167, 31324, 37556, 43739, 46986, 56334, 87478, 93972, 112668, 131217, 174956, 262434, 524868, 1793299, 3586598, 5379897, 7173196, 10759794, 21519588]

約数ペア:

[(1, 21519588), (2, 10759794), (3, 7173196), (4, 5379897), (6, 3586598), (12, 1793299), (41, 524868), (82, 262434), (123, 174956), (164, 131217), (191, 112668), (229, 93972), (246, 87478), (382, 56334), (458, 46986), (492, 43739), (573, 37556), (687, 31324), (764, 28167), (916, 23493), (1146, 18778), (1374, 15662), (2292, 9389), (2748, 7831)]