21905436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3301}}^1$

素因数の和:3394

約数の個数: 48

約数和(自身を含む): 59171840

約数和(自身を除く): 37266404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 3301, 3318, 6602, 6636, 9903, 13204, 19806, 23107, 39612, 46214, 69321, 92428, 138642, 260779, 277284, 521558, 782337, 1043116, 1564674, 1825453, 3129348, 3650906, 5476359, 7301812, 10952718, 21905436]

約数ペア:

[(1, 21905436), (2, 10952718), (3, 7301812), (4, 5476359), (6, 3650906), (7, 3129348), (12, 1825453), (14, 1564674), (21, 1043116), (28, 782337), (42, 521558), (79, 277284), (84, 260779), (158, 138642), (237, 92428), (316, 69321), (474, 46214), (553, 39612), (948, 23107), (1106, 19806), (1659, 13204), (2212, 9903), (3301, 6636), (3318, 6602)]