21000814905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1483}}^1\times {\mathrm{134867}}^1$

素因数の和:136365

約数の個数: 32

約数和(自身を含む): 38427669504

約数和(自身を除く): 17426854599

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1483, 4449, 7415, 10381, 22245, 31143, 51905, 134867, 155715, 404601, 674335, 944069, 2023005, 2832207, 4720345, 14161035, 200007761, 600023283, 1000038805, 1400054327, 3000116415, 4200162981, 7000271635, 21000814905]

約数ペア:

[(1, 21000814905), (3, 7000271635), (5, 4200162981), (7, 3000116415), (15, 1400054327), (21, 1000038805), (35, 600023283), (105, 200007761), (1483, 14161035), (4449, 4720345), (7415, 2832207), (10381, 2023005), (22245, 944069), (31143, 674335), (51905, 404601), (134867, 155715)]