21359870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13267}}^1$

素因数の和:13304

約数の個数: 32

約数和(自身を含む): 45854208

約数和(自身を除く): 24494338

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 13267, 26534, 66335, 92869, 132670, 185738, 305141, 464345, 610282, 928690, 1525705, 2135987, 3051410, 4271974, 10679935, 21359870]

約数ペア:

[(1, 21359870), (2, 10679935), (5, 4271974), (7, 3051410), (10, 2135987), (14, 1525705), (23, 928690), (35, 610282), (46, 464345), (70, 305141), (115, 185738), (161, 132670), (230, 92869), (322, 66335), (805, 26534), (1610, 13267)]