21167150090

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{14206141}}^1$

素因数の和:14206297

約数の個数: 16

約数和(自身を含む): 38356583400

約数和(自身を除く): 17189433310

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 14206141, 28412282, 71030705, 142061410, 2116715009, 4233430018, 10583575045, 21167150090]

約数ペア:

[(1, 21167150090), (2, 10583575045), (5, 4233430018), (10, 2116715009), (149, 142061410), (298, 71030705), (745, 28412282), (1490, 14206141)]