21096416

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 45985968

約数和(自身を除く): 24889552

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 73, 88, 146, 176, 292, 352, 584, 803, 821, 1168, 1606, 1642, 2336, 3212, 3284, 6424, 6568, 9031, 12848, 13136, 18062, 25696, 26272, 36124, 59933, 72248, 119866, 144496, 239732, 288992, 479464, 659263, 958928, 1318526, 1917856, 2637052, 5274104, 10548208, 21096416]

約数ペア:

[(1, 21096416), (2, 10548208), (4, 5274104), (8, 2637052), (11, 1917856), (16, 1318526), (22, 958928), (32, 659263), (44, 479464), (73, 288992), (88, 239732), (146, 144496), (176, 119866), (292, 72248), (352, 59933), (584, 36124), (803, 26272), (821, 25696), (1168, 18062), (1606, 13136), (1642, 12848), (2336, 9031), (3212, 6568), (3284, 6424)]