21664115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{5879}}^1$

素因数の和:5962

約数の個数: 16

約数和(自身を含む): 28788480

約数和(自身を除く): 7124365

約数列:

[1, 5, 11, 55, 67, 335, 737, 3685, 5879, 29395, 64669, 323345, 393893, 1969465, 4332823, 21664115]

約数ペア:

[(1, 21664115), (5, 4332823), (11, 1969465), (55, 393893), (67, 323345), (335, 64669), (737, 29395), (3685, 5879)]