21163730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{653}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 43697664

約数和(自身を除く): 22533934

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 463, 653, 926, 1306, 2315, 3241, 3265, 4571, 4630, 6482, 6530, 9142, 16205, 22855, 32410, 45710, 302339, 604678, 1511695, 2116373, 3023390, 4232746, 10581865, 21163730]

約数ペア:

[(1, 21163730), (2, 10581865), (5, 4232746), (7, 3023390), (10, 2116373), (14, 1511695), (35, 604678), (70, 302339), (463, 45710), (653, 32410), (926, 22855), (1306, 16205), (2315, 9142), (3241, 6530), (3265, 6482), (4571, 4630)]