21385308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11069}}^1$

素因数の和:11106

約数の個数: 48

約数和(自身を含む): 59512320

約数和(自身を除く): 38127012

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 11069, 22138, 33207, 44276, 66414, 77483, 132828, 154966, 232449, 254587, 309932, 464898, 509174, 763761, 929796, 1018348, 1527522, 1782109, 3055044, 3564218, 5346327, 7128436, 10692654, 21385308]

約数ペア:

[(1, 21385308), (2, 10692654), (3, 7128436), (4, 5346327), (6, 3564218), (7, 3055044), (12, 1782109), (14, 1527522), (21, 1018348), (23, 929796), (28, 763761), (42, 509174), (46, 464898), (69, 309932), (84, 254587), (92, 232449), (138, 154966), (161, 132828), (276, 77483), (322, 66414), (483, 44276), (644, 33207), (966, 22138), (1932, 11069)]