21231294

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8287}}^1$

素因数の和:8360

約数の個数: 32

約数和(自身を含む): 49330176

約数和(自身を除く): 28098882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 8287, 16574, 24861, 49722, 58009, 116018, 174027, 348054, 505507, 1011014, 1516521, 3033042, 3538549, 7077098, 10615647, 21231294]

約数ペア:

[(1, 21231294), (2, 10615647), (3, 7077098), (6, 3538549), (7, 3033042), (14, 1516521), (21, 1011014), (42, 505507), (61, 348054), (122, 174027), (183, 116018), (366, 58009), (427, 49722), (854, 24861), (1281, 16574), (2562, 8287)]