21958518

素因数分解:

$2^1\times 3^1\times {\mathrm{421}}^1\times {\mathrm{8693}}^1$

素因数の和:9119

約数の個数: 16

約数和(自身を含む): 44026416

約数和(自身を除く): 22067898

約数列:

[1, 2, 3, 6, 421, 842, 1263, 2526, 8693, 17386, 26079, 52158, 3659753, 7319506, 10979259, 21958518]

約数ペア:

[(1, 21958518), (2, 10979259), (3, 7319506), (6, 3659753), (421, 52158), (842, 26079), (1263, 17386), (2526, 8693)]