21268230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16487}}^1$

素因数の和:16540

約数の個数: 32

約数和(自身を含む): 52233984

約数和(自身を除く): 30965754

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 16487, 32974, 49461, 82435, 98922, 164870, 247305, 494610, 708941, 1417882, 2126823, 3544705, 4253646, 7089410, 10634115, 21268230]

約数ペア:

[(1, 21268230), (2, 10634115), (3, 7089410), (5, 4253646), (6, 3544705), (10, 2126823), (15, 1417882), (30, 708941), (43, 494610), (86, 247305), (129, 164870), (215, 98922), (258, 82435), (430, 49461), (645, 32974), (1290, 16487)]