21362548

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{1009}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 38460800

約数和(自身を除く): 17098252

約数列:

[1, 2, 4, 67, 79, 134, 158, 268, 316, 1009, 2018, 4036, 5293, 10586, 21172, 67603, 79711, 135206, 159422, 270412, 318844, 5340637, 10681274, 21362548]

約数ペア:

[(1, 21362548), (2, 10681274), (4, 5340637), (67, 318844), (79, 270412), (134, 159422), (158, 135206), (268, 79711), (316, 67603), (1009, 21172), (2018, 10586), (4036, 5293)]