21687408

素因数分解:

$2^4\times 3^2\times {\mathrm{150607}}^1$

素因数の和:150621

約数の個数: 30

約数和(自身を含む): 60695024

約数和(自身を除く): 39007616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 150607, 301214, 451821, 602428, 903642, 1204856, 1355463, 1807284, 2409712, 2710926, 3614568, 5421852, 7229136, 10843704, 21687408]

約数ペア:

[(1, 21687408), (2, 10843704), (3, 7229136), (4, 5421852), (6, 3614568), (8, 2710926), (9, 2409712), (12, 1807284), (16, 1355463), (18, 1204856), (24, 903642), (36, 602428), (48, 451821), (72, 301214), (144, 150607)]