21916351980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40585837}}^1$

素因数の和:40585855

約数の個数: 48

約数和(自身を含む): 68184207840

約数和(自身を除く): 46267855860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40585837, 81171674, 121757511, 162343348, 202929185, 243515022, 365272533, 405858370, 487030044, 608787555, 730545066, 811716740, 1095817599, 1217575110, 1461090132, 1826362665, 2191635198, 2435150220, 3652725330, 4383270396, 5479087995, 7305450660, 10958175990, 21916351980]

約数ペア:

[(1, 21916351980), (2, 10958175990), (3, 7305450660), (4, 5479087995), (5, 4383270396), (6, 3652725330), (9, 2435150220), (10, 2191635198), (12, 1826362665), (15, 1461090132), (18, 1217575110), (20, 1095817599), (27, 811716740), (30, 730545066), (36, 608787555), (45, 487030044), (54, 405858370), (60, 365272533), (90, 243515022), (108, 202929185), (135, 162343348), (180, 121757511), (270, 81171674), (540, 40585837)]