21653324

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 47604480

約数和(自身を除く): 25951156

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 229, 307, 308, 458, 614, 916, 1228, 1603, 2149, 2519, 3206, 3377, 4298, 5038, 6412, 6754, 8596, 10076, 13508, 17633, 23639, 35266, 47278, 70303, 70532, 94556, 140606, 281212, 492121, 773333, 984242, 1546666, 1968484, 3093332, 5413331, 10826662, 21653324]

約数ペア:

[(1, 21653324), (2, 10826662), (4, 5413331), (7, 3093332), (11, 1968484), (14, 1546666), (22, 984242), (28, 773333), (44, 492121), (77, 281212), (154, 140606), (229, 94556), (307, 70532), (308, 70303), (458, 47278), (614, 35266), (916, 23639), (1228, 17633), (1603, 13508), (2149, 10076), (2519, 8596), (3206, 6754), (3377, 6412), (4298, 5038)]