21868548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1361}}^1$

素因数の和:1484

約数の個数: 48

約数和(自身を含む): 55526016

約数和(自身を除く): 33657468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 103, 156, 206, 309, 412, 618, 1236, 1339, 1361, 2678, 2722, 4017, 4083, 5356, 5444, 8034, 8166, 16068, 16332, 17693, 35386, 53079, 70772, 106158, 140183, 212316, 280366, 420549, 560732, 841098, 1682196, 1822379, 3644758, 5467137, 7289516, 10934274, 21868548]

約数ペア:

[(1, 21868548), (2, 10934274), (3, 7289516), (4, 5467137), (6, 3644758), (12, 1822379), (13, 1682196), (26, 841098), (39, 560732), (52, 420549), (78, 280366), (103, 212316), (156, 140183), (206, 106158), (309, 70772), (412, 53079), (618, 35386), (1236, 17693), (1339, 16332), (1361, 16068), (2678, 8166), (2722, 8034), (4017, 5444), (4083, 5356)]