21260748

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41203}}^1$

素因数の和:41253

約数の個数: 24

約数和(自身を含む): 50763328

約数和(自身を除く): 29502580

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41203, 82406, 123609, 164812, 247218, 494436, 1771729, 3543458, 5315187, 7086916, 10630374, 21260748]

約数ペア:

[(1, 21260748), (2, 10630374), (3, 7086916), (4, 5315187), (6, 3543458), (12, 1771729), (43, 494436), (86, 247218), (129, 164812), (172, 123609), (258, 82406), (516, 41203)]