21204312

素因数分解:

$2^3\times 3^1\times {\mathrm{137}}^1\times {\mathrm{6449}}^1$

素因数の和:6595

約数の個数: 32

約数和(自身を含む): 53406000

約数和(自身を除く): 32201688

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 137, 274, 411, 548, 822, 1096, 1644, 3288, 6449, 12898, 19347, 25796, 38694, 51592, 77388, 154776, 883513, 1767026, 2650539, 3534052, 5301078, 7068104, 10602156, 21204312]

約数ペア:

[(1, 21204312), (2, 10602156), (3, 7068104), (4, 5301078), (6, 3534052), (8, 2650539), (12, 1767026), (24, 883513), (137, 154776), (274, 77388), (411, 51592), (548, 38694), (822, 25796), (1096, 19347), (1644, 12898), (3288, 6449)]