21775052270

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35696807}}^1$

素因数の和:35696875

約数の個数: 16

約数和(自身を含む): 39837637728

約数和(自身を除く): 18062585458

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 35696807, 71393614, 178484035, 356968070, 2177505227, 4355010454, 10887526135, 21775052270]

約数ペア:

[(1, 21775052270), (2, 10887526135), (5, 4355010454), (10, 2177505227), (61, 356968070), (122, 178484035), (305, 71393614), (610, 35696807)]