21000953355

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{20896471}}^1$

素因数の和:20896546

約数の個数: 16

約数和(自身を含む): 34103042304

約数和(自身を除く): 13102088949

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 20896471, 62689413, 104482355, 313447065, 1400063557, 4200190671, 7000317785, 21000953355]

約数ペア:

[(1, 21000953355), (3, 7000317785), (5, 4200190671), (15, 1400063557), (67, 313447065), (201, 104482355), (335, 62689413), (1005, 20896471)]