21454511

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 24084480

約数和(自身を除く): 2629969

約数列:

[1, 13, 31, 139, 383, 403, 1807, 4309, 4979, 11873, 53237, 56017, 154349, 692081, 1650347, 21454511]

約数ペア:

[(1, 21454511), (13, 1650347), (31, 692081), (139, 154349), (383, 56017), (403, 53237), (1807, 11873), (4309, 4979)]