21854476

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{19037}}^1$

素因数の和:19089

約数の個数: 24

約数和(自身を含む): 44777376

約数和(自身を除く): 22922900

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 19037, 38074, 76148, 133259, 266518, 533036, 780517, 1561034, 3122068, 5463619, 10927238, 21854476]

約数ペア:

[(1, 21854476), (2, 10927238), (4, 5463619), (7, 3122068), (14, 1561034), (28, 780517), (41, 533036), (82, 266518), (164, 133259), (287, 76148), (574, 38074), (1148, 19037)]