21039816

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17891}}^1$

素因数の和:17914

約数の個数: 48

約数和(自身を含む): 61190640

約数和(自身を除く): 40150824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 17891, 35782, 53673, 71564, 107346, 125237, 143128, 214692, 250474, 375711, 429384, 500948, 751422, 876659, 1001896, 1502844, 1753318, 2629977, 3005688, 3506636, 5259954, 7013272, 10519908, 21039816]

約数ペア:

[(1, 21039816), (2, 10519908), (3, 7013272), (4, 5259954), (6, 3506636), (7, 3005688), (8, 2629977), (12, 1753318), (14, 1502844), (21, 1001896), (24, 876659), (28, 751422), (42, 500948), (49, 429384), (56, 375711), (84, 250474), (98, 214692), (147, 143128), (168, 125237), (196, 107346), (294, 71564), (392, 53673), (588, 35782), (1176, 17891)]