21356010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18253}}^1$

素因数の和:18279

約数の個数: 48

約数和(自身を含む): 59800104

約数和(自身を除く): 38444094

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18253, 36506, 54759, 91265, 109518, 164277, 182530, 237289, 273795, 328554, 474578, 547590, 711867, 821385, 1186445, 1423734, 1642770, 2135601, 2372890, 3559335, 4271202, 7118670, 10678005, 21356010]

約数ペア:

[(1, 21356010), (2, 10678005), (3, 7118670), (5, 4271202), (6, 3559335), (9, 2372890), (10, 2135601), (13, 1642770), (15, 1423734), (18, 1186445), (26, 821385), (30, 711867), (39, 547590), (45, 474578), (65, 328554), (78, 273795), (90, 237289), (117, 182530), (130, 164277), (195, 109518), (234, 91265), (390, 54759), (585, 36506), (1170, 18253)]