21160115

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4973}}^1$

素因数の和:5038

約数の個数: 16

約数和(自身を含む): 27217728

約数和(自身を除く): 6057613

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 4973, 24865, 114379, 184001, 571895, 920005, 4232023, 21160115]

約数ペア:

[(1, 21160115), (5, 4232023), (23, 920005), (37, 571895), (115, 184001), (185, 114379), (851, 24865), (4255, 4973)]