21171410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1093}}^1$

素因数の和:1262

約数の個数: 32

約数和(自身を含む): 41353200

約数和(自身を除く): 20181790

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1093, 1490, 1937, 2186, 3874, 5465, 9685, 10930, 14209, 19370, 28418, 71045, 142090, 162857, 325714, 814285, 1628570, 2117141, 4234282, 10585705, 21171410]

約数ペア:

[(1, 21171410), (2, 10585705), (5, 4234282), (10, 2117141), (13, 1628570), (26, 814285), (65, 325714), (130, 162857), (149, 142090), (298, 71045), (745, 28418), (1093, 19370), (1490, 14209), (1937, 10930), (2186, 9685), (3874, 5465)]