21549715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{467}}^1\times {\mathrm{839}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 6754925

約数列:

[1, 5, 11, 55, 467, 839, 2335, 4195, 5137, 9229, 25685, 46145, 391813, 1959065, 4309943, 21549715]

約数ペア:

[(1, 21549715), (5, 4309943), (11, 1959065), (55, 391813), (467, 46145), (839, 25685), (2335, 9229), (4195, 5137)]