21876410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1187}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 20036230

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 485, 970, 1187, 1843, 2374, 3686, 5935, 9215, 11870, 18430, 22553, 45106, 112765, 115139, 225530, 230278, 575695, 1151390, 2187641, 4375282, 10938205, 21876410]

約数ペア:

[(1, 21876410), (2, 10938205), (5, 4375282), (10, 2187641), (19, 1151390), (38, 575695), (95, 230278), (97, 225530), (190, 115139), (194, 112765), (485, 45106), (970, 22553), (1187, 18430), (1843, 11870), (2374, 9215), (3686, 5935)]