21324838

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{8389}}^1$

素因数の和:8463

約数の個数: 16

約数和(自身を含む): 33828480

約数和(自身を除く): 12503642

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 8389, 16778, 260059, 343949, 520118, 687898, 10662419, 21324838]

約数ペア:

[(1, 21324838), (2, 10662419), (31, 687898), (41, 520118), (62, 343949), (82, 260059), (1271, 16778), (2542, 8389)]