20121318

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53231}}^1$

素因数の和:53249

約数の個数: 32

約数和(自身を含む): 51102720

約数和(自身を除く): 30981402

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 53231, 106462, 159693, 319386, 372617, 479079, 745234, 958158, 1117851, 1437237, 2235702, 2874474, 3353553, 6707106, 10060659, 20121318]

約数ペア:

[(1, 20121318), (2, 10060659), (3, 6707106), (6, 3353553), (7, 2874474), (9, 2235702), (14, 1437237), (18, 1117851), (21, 958158), (27, 745234), (42, 479079), (54, 372617), (63, 319386), (126, 159693), (189, 106462), (378, 53231)]