21675414430

素因数分解:

$2^1\times 5^1\times {\mathrm{54217}}^1\times {\mathrm{39979}}^1$

素因数の和:94203

約数の個数: 16

約数和(自身を含む): 39017441520

約数和(自身を除く): 17342027090

約数列:

[1, 2, 5, 10, 39979, 54217, 79958, 108434, 199895, 271085, 399790, 542170, 2167541443, 4335082886, 10837707215, 21675414430]

約数ペア:

[(1, 21675414430), (2, 10837707215), (5, 4335082886), (10, 2167541443), (39979, 542170), (54217, 399790), (79958, 271085), (108434, 199895)]