21815488

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{20051}}^1$

素因数の和:20080

約数の個数: 28

約数和(自身を含む): 45838872

約数和(自身を除く): 24023384

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 20051, 40102, 80204, 160408, 320816, 340867, 641632, 681734, 1283264, 1363468, 2726936, 5453872, 10907744, 21815488]

約数ペア:

[(1, 21815488), (2, 10907744), (4, 5453872), (8, 2726936), (16, 1363468), (17, 1283264), (32, 681734), (34, 641632), (64, 340867), (68, 320816), (136, 160408), (272, 80204), (544, 40102), (1088, 20051)]