21466424

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5399}}^1$

素因数の和:5483

約数の個数: 32

約数和(自身を含む): 46656000

約数和(自身を除く): 25189576

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 5399, 10798, 21596, 37793, 43192, 75586, 151172, 302344, 383329, 766658, 1533316, 2683303, 3066632, 5366606, 10733212, 21466424]

約数ペア:

[(1, 21466424), (2, 10733212), (4, 5366606), (7, 3066632), (8, 2683303), (14, 1533316), (28, 766658), (56, 383329), (71, 302344), (142, 151172), (284, 75586), (497, 43192), (568, 37793), (994, 21596), (1988, 10798), (3976, 5399)]