21266252

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1039}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 24859828

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 68, 86, 119, 172, 238, 301, 476, 602, 731, 1039, 1204, 1462, 2078, 2924, 4156, 5117, 7273, 10234, 14546, 17663, 20468, 29092, 35326, 44677, 70652, 89354, 123641, 178708, 247282, 312739, 494564, 625478, 759509, 1250956, 1519018, 3038036, 5316563, 10633126, 21266252]

約数ペア:

[(1, 21266252), (2, 10633126), (4, 5316563), (7, 3038036), (14, 1519018), (17, 1250956), (28, 759509), (34, 625478), (43, 494564), (68, 312739), (86, 247282), (119, 178708), (172, 123641), (238, 89354), (301, 70652), (476, 44677), (602, 35326), (731, 29092), (1039, 20468), (1204, 17663), (1462, 14546), (2078, 10234), (2924, 7273), (4156, 5117)]