21025576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18379}}^1$

素因数の和:18409

約数の個数: 32

約数和(自身を含む): 46317600

約数和(自身を除く): 25292024

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18379, 36758, 73516, 147032, 202169, 238927, 404338, 477854, 808676, 955708, 1617352, 1911416, 2628197, 5256394, 10512788, 21025576]

約数ペア:

[(1, 21025576), (2, 10512788), (4, 5256394), (8, 2628197), (11, 1911416), (13, 1617352), (22, 955708), (26, 808676), (44, 477854), (52, 404338), (88, 238927), (104, 202169), (143, 147032), (286, 73516), (572, 36758), (1144, 18379)]