21000409010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{626317}}^1$

素因数の和:626810

約数の個数: 32

約数和(自身を含む): 43291100160

約数和(自身を除く): 22290691150

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 479, 958, 2395, 3353, 4790, 6706, 16765, 33530, 626317, 1252634, 3131585, 4384219, 6263170, 8768438, 21921095, 43842190, 300005843, 600011686, 1500029215, 2100040901, 3000058430, 4200081802, 10500204505, 21000409010]

約数ペア:

[(1, 21000409010), (2, 10500204505), (5, 4200081802), (7, 3000058430), (10, 2100040901), (14, 1500029215), (35, 600011686), (70, 300005843), (479, 43842190), (958, 21921095), (2395, 8768438), (3353, 6263170), (4790, 4384219), (6706, 3131585), (16765, 1252634), (33530, 626317)]