21774115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2657}}^1$

素因数の和:2822

約数の個数: 16

約数和(自身を含む): 28706400

約数和(自身を除く): 6932285

約数列:

[1, 5, 11, 55, 149, 745, 1639, 2657, 8195, 13285, 29227, 146135, 395893, 1979465, 4354823, 21774115]

約数ペア:

[(1, 21774115), (5, 4354823), (11, 1979465), (55, 395893), (149, 146135), (745, 29227), (1639, 13285), (2657, 8195)]