21949736

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1321}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 43150080

約数和(自身を除く): 21200344

約数列:

[1, 2, 4, 8, 31, 62, 67, 124, 134, 248, 268, 536, 1321, 2077, 2642, 4154, 5284, 8308, 10568, 16616, 40951, 81902, 88507, 163804, 177014, 327608, 354028, 708056, 2743717, 5487434, 10974868, 21949736]

約数ペア:

[(1, 21949736), (2, 10974868), (4, 5487434), (8, 2743717), (31, 708056), (62, 354028), (67, 327608), (124, 177014), (134, 163804), (248, 88507), (268, 81902), (536, 40951), (1321, 16616), (2077, 10568), (2642, 8308), (4154, 5284)]