21876378

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 44945280

約数和(自身を除く): 23068902

約数列:

[1, 2, 3, 6, 71, 89, 142, 178, 213, 267, 426, 534, 577, 1154, 1731, 3462, 6319, 12638, 18957, 37914, 40967, 51353, 81934, 102706, 122901, 154059, 245802, 308118, 3646063, 7292126, 10938189, 21876378]

約数ペア:

[(1, 21876378), (2, 10938189), (3, 7292126), (6, 3646063), (71, 308118), (89, 245802), (142, 154059), (178, 122901), (213, 102706), (267, 81934), (426, 51353), (534, 40967), (577, 37914), (1154, 18957), (1731, 12638), (3462, 6319)]