21474728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3089}}^1$

素因数の和:3185

約数の個数: 32

約数和(自身を含む): 44496000

約数和(自身を除く): 23021272

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 158, 316, 632, 869, 1738, 3089, 3476, 6178, 6952, 12356, 24712, 33979, 67958, 135916, 244031, 271832, 488062, 976124, 1952248, 2684341, 5368682, 10737364, 21474728]

約数ペア:

[(1, 21474728), (2, 10737364), (4, 5368682), (8, 2684341), (11, 1952248), (22, 976124), (44, 488062), (79, 271832), (88, 244031), (158, 135916), (316, 67958), (632, 33979), (869, 24712), (1738, 12356), (3089, 6952), (3476, 6178)]