21102276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135271}}^1$

素因数の和:135291

約数の個数: 24

約数和(自身を含む): 53026624

約数和(自身を除く): 31924348

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135271, 270542, 405813, 541084, 811626, 1623252, 1758523, 3517046, 5275569, 7034092, 10551138, 21102276]

約数ペア:

[(1, 21102276), (2, 10551138), (3, 7034092), (4, 5275569), (6, 3517046), (12, 1758523), (13, 1623252), (26, 811626), (39, 541084), (52, 405813), (78, 270542), (156, 135271)]