21653898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3163}}^1$

素因数の和:3338

約数の個数: 32

約数和(自身を含む): 49814016

約数和(自身を除く): 28160118

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 163, 326, 489, 978, 1141, 2282, 3163, 3423, 6326, 6846, 9489, 18978, 22141, 44282, 66423, 132846, 515569, 1031138, 1546707, 3093414, 3608983, 7217966, 10826949, 21653898]

約数ペア:

[(1, 21653898), (2, 10826949), (3, 7217966), (6, 3608983), (7, 3093414), (14, 1546707), (21, 1031138), (42, 515569), (163, 132846), (326, 66423), (489, 44282), (978, 22141), (1141, 18978), (2282, 9489), (3163, 6846), (3423, 6326)]