21003710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23081}}^1$

素因数の和:23108

約数の個数: 32

約数和(自身を含む): 46533312

約数和(自身を除く): 25529602

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23081, 46162, 115405, 161567, 230810, 300053, 323134, 600106, 807835, 1500265, 1615670, 2100371, 3000530, 4200742, 10501855, 21003710]

約数ペア:

[(1, 21003710), (2, 10501855), (5, 4200742), (7, 3000530), (10, 2100371), (13, 1615670), (14, 1500265), (26, 807835), (35, 600106), (65, 323134), (70, 300053), (91, 230810), (130, 161567), (182, 115405), (455, 46162), (910, 23081)]