21725530

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{29761}}^1$

素因数の和:29841

約数の個数: 16

約数和(自身を含む): 39642984

約数和(自身を除く): 17917454

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 29761, 59522, 148805, 297610, 2172553, 4345106, 10862765, 21725530]

約数ペア:

[(1, 21725530), (2, 10862765), (5, 4345106), (10, 2172553), (73, 297610), (146, 148805), (365, 59522), (730, 29761)]