21302116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 22162844

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 83, 166, 209, 307, 332, 418, 614, 836, 913, 1228, 1577, 1826, 3154, 3377, 3652, 5833, 6308, 6754, 11666, 13508, 17347, 23332, 25481, 34694, 50962, 64163, 69388, 101924, 128326, 256652, 280291, 484139, 560582, 968278, 1121164, 1936556, 5325529, 10651058, 21302116]

約数ペア:

[(1, 21302116), (2, 10651058), (4, 5325529), (11, 1936556), (19, 1121164), (22, 968278), (38, 560582), (44, 484139), (76, 280291), (83, 256652), (166, 128326), (209, 101924), (307, 69388), (332, 64163), (418, 50962), (614, 34694), (836, 25481), (913, 23332), (1228, 17347), (1577, 13508), (1826, 11666), (3154, 6754), (3377, 6308), (3652, 5833)]