21397958399

素因数分解:

${\mathrm{59}}^1\times {\mathrm{509}}^1\times {\mathrm{719}}^1\times {\mathrm{991}}^1$

素因数の和:2278

約数の個数: 16

約数和(自身を含む): 21855744000

約数和(自身を除く): 457785601

約数列:

[1, 59, 509, 719, 991, 30031, 42421, 58469, 365971, 504419, 712529, 21592289, 29760721, 42039211, 362677261, 21397958399]

約数ペア:

[(1, 21397958399), (59, 362677261), (509, 42039211), (719, 29760721), (991, 21592289), (30031, 712529), (42421, 504419), (58469, 365971)]