21361164

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3947}}^1$

素因数の和:4006

約数の個数: 48

約数和(自身を含む): 55714176

約数和(自身を除く): 34353012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 41, 44, 66, 82, 123, 132, 164, 246, 451, 492, 902, 1353, 1804, 2706, 3947, 5412, 7894, 11841, 15788, 23682, 43417, 47364, 86834, 130251, 161827, 173668, 260502, 323654, 485481, 521004, 647308, 970962, 1780097, 1941924, 3560194, 5340291, 7120388, 10680582, 21361164]

約数ペア:

[(1, 21361164), (2, 10680582), (3, 7120388), (4, 5340291), (6, 3560194), (11, 1941924), (12, 1780097), (22, 970962), (33, 647308), (41, 521004), (44, 485481), (66, 323654), (82, 260502), (123, 173668), (132, 161827), (164, 130251), (246, 86834), (451, 47364), (492, 43417), (902, 23682), (1353, 15788), (1804, 11841), (2706, 7894), (3947, 5412)]