21293404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 42771456

約数和(自身を除く): 21478052

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 67, 124, 134, 233, 268, 341, 466, 682, 737, 932, 1364, 1474, 2077, 2563, 2948, 4154, 5126, 7223, 8308, 10252, 14446, 15611, 22847, 28892, 31222, 45694, 62444, 79453, 91388, 158906, 171721, 317812, 343442, 483941, 686884, 967882, 1935764, 5323351, 10646702, 21293404]

約数ペア:

[(1, 21293404), (2, 10646702), (4, 5323351), (11, 1935764), (22, 967882), (31, 686884), (44, 483941), (62, 343442), (67, 317812), (124, 171721), (134, 158906), (233, 91388), (268, 79453), (341, 62444), (466, 45694), (682, 31222), (737, 28892), (932, 22847), (1364, 15611), (1474, 14446), (2077, 10252), (2563, 8308), (2948, 7223), (4154, 5126)]