21261324

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1993}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 57171968

約数和(自身を除く): 35910644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 127, 254, 381, 508, 762, 889, 1524, 1778, 1993, 2667, 3556, 3986, 5334, 5979, 7972, 10668, 11958, 13951, 23916, 27902, 41853, 55804, 83706, 167412, 253111, 506222, 759333, 1012444, 1518666, 1771777, 3037332, 3543554, 5315331, 7087108, 10630662, 21261324]

約数ペア:

[(1, 21261324), (2, 10630662), (3, 7087108), (4, 5315331), (6, 3543554), (7, 3037332), (12, 1771777), (14, 1518666), (21, 1012444), (28, 759333), (42, 506222), (84, 253111), (127, 167412), (254, 83706), (381, 55804), (508, 41853), (762, 27902), (889, 23916), (1524, 13951), (1778, 11958), (1993, 10668), (2667, 7972), (3556, 5979), (3986, 5334)]