21493437417

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{2797}}^1\times {\mathrm{37123}}^1$

素因数の和:39949

約数の個数: 24

約数和(自身を含む): 32408361024

約数和(自身を除く): 10914923607

約数列:

[1, 3, 9, 23, 69, 207, 2797, 8391, 25173, 37123, 64331, 111369, 192993, 334107, 578979, 853829, 2561487, 7684461, 103833031, 311499093, 934497279, 2388159713, 7164479139, 21493437417]

約数ペア:

[(1, 21493437417), (3, 7164479139), (9, 2388159713), (23, 934497279), (69, 311499093), (207, 103833031), (2797, 7684461), (8391, 2561487), (25173, 853829), (37123, 578979), (64331, 334107), (111369, 192993)]