20212930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65203}}^1$

素因数の和:65241

約数の個数: 16

約数和(自身を含む): 37557504

約数和(自身を除く): 17344574

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 65203, 130406, 326015, 652030, 2021293, 4042586, 10106465, 20212930]

約数ペア:

[(1, 20212930), (2, 10106465), (5, 4042586), (10, 2021293), (31, 652030), (62, 326015), (155, 130406), (310, 65203)]