21550282

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 35985600

約数和(自身を除く): 14435318

約数列:

[1, 2, 13, 26, 67, 89, 134, 139, 178, 278, 871, 1157, 1742, 1807, 2314, 3614, 5963, 9313, 11926, 12371, 18626, 24742, 77519, 121069, 155038, 160823, 242138, 321646, 828857, 1657714, 10775141, 21550282]

約数ペア:

[(1, 21550282), (2, 10775141), (13, 1657714), (26, 828857), (67, 321646), (89, 242138), (134, 160823), (139, 155038), (178, 121069), (278, 77519), (871, 24742), (1157, 18626), (1742, 12371), (1807, 11926), (2314, 9313), (3614, 5963)]