21364764

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^3\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 52338720

約数和(自身を除く): 30973956

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 73, 87, 116, 146, 174, 219, 292, 348, 438, 841, 876, 1682, 2117, 2523, 3364, 4234, 5046, 6351, 8468, 10092, 12702, 24389, 25404, 48778, 61393, 73167, 97556, 122786, 146334, 184179, 245572, 292668, 368358, 736716, 1780397, 3560794, 5341191, 7121588, 10682382, 21364764]

約数ペア:

[(1, 21364764), (2, 10682382), (3, 7121588), (4, 5341191), (6, 3560794), (12, 1780397), (29, 736716), (58, 368358), (73, 292668), (87, 245572), (116, 184179), (146, 146334), (174, 122786), (219, 97556), (292, 73167), (348, 61393), (438, 48778), (841, 25404), (876, 24389), (1682, 12702), (2117, 10092), (2523, 8468), (3364, 6351), (4234, 5046)]