21412788

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1736

約数の個数: 48

約数和(自身を含む): 53114880

約数和(自身を除く): 31702092

約数列:

[1, 2, 3, 4, 6, 12, 29, 37, 58, 74, 87, 111, 116, 148, 174, 222, 348, 444, 1073, 1663, 2146, 3219, 3326, 4292, 4989, 6438, 6652, 9978, 12876, 19956, 48227, 61531, 96454, 123062, 144681, 184593, 192908, 246124, 289362, 369186, 578724, 738372, 1784399, 3568798, 5353197, 7137596, 10706394, 21412788]

約数ペア:

[(1, 21412788), (2, 10706394), (3, 7137596), (4, 5353197), (6, 3568798), (12, 1784399), (29, 738372), (37, 578724), (58, 369186), (74, 289362), (87, 246124), (111, 192908), (116, 184593), (148, 144681), (174, 123062), (222, 96454), (348, 61531), (444, 48227), (1073, 19956), (1663, 12876), (2146, 9978), (3219, 6652), (3326, 6438), (4292, 4989)]