21494873

素因数分解:

${\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:308

約数の個数: 16

約数和(自身を含む): 22978560

約数和(自身を除く): 1483687

約数列:

[1, 31, 67, 79, 131, 2077, 2449, 4061, 5293, 8777, 10349, 164083, 272087, 320819, 693383, 21494873]

約数ペア:

[(1, 21494873), (31, 693383), (67, 320819), (79, 272087), (131, 164083), (2077, 10349), (2449, 8777), (4061, 5293)]