21229430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2657}}^1$

素因数の和:2728

約数の個数: 32

約数和(自身を含む): 41337216

約数和(自身を除く): 20107786

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 2657, 3995, 5314, 7990, 13285, 26570, 45169, 90338, 124879, 225845, 249758, 451690, 624395, 1248790, 2122943, 4245886, 10614715, 21229430]

約数ペア:

[(1, 21229430), (2, 10614715), (5, 4245886), (10, 2122943), (17, 1248790), (34, 624395), (47, 451690), (85, 249758), (94, 225845), (170, 124879), (235, 90338), (470, 45169), (799, 26570), (1598, 13285), (2657, 7990), (3995, 5314)]