21721848

素因数分解:

$2^3\times 3^1\times {\mathrm{293}}^1\times {\mathrm{3089}}^1$

素因数の和:3391

約数の個数: 32

約数和(自身を含む): 54507600

約数和(自身を除く): 32785752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 293, 586, 879, 1172, 1758, 2344, 3089, 3516, 6178, 7032, 9267, 12356, 18534, 24712, 37068, 74136, 905077, 1810154, 2715231, 3620308, 5430462, 7240616, 10860924, 21721848]

約数ペア:

[(1, 21721848), (2, 10860924), (3, 7240616), (4, 5430462), (6, 3620308), (8, 2715231), (12, 1810154), (24, 905077), (293, 74136), (586, 37068), (879, 24712), (1172, 18534), (1758, 12356), (2344, 9267), (3089, 7032), (3516, 6178)]