21285924

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 56118048

約数和(自身を除く): 34832124

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 47, 66, 73, 94, 132, 141, 146, 188, 219, 282, 292, 438, 517, 564, 803, 876, 1034, 1551, 1606, 2068, 2209, 2409, 3102, 3212, 3431, 4418, 4818, 6204, 6627, 6862, 8836, 9636, 10293, 13254, 13724, 20586, 24299, 26508, 37741, 41172, 48598, 72897, 75482, 97196, 113223, 145794, 150964, 161257, 226446, 291588, 322514, 452892, 483771, 645028, 967542, 1773827, 1935084, 3547654, 5321481, 7095308, 10642962, 21285924]

約数ペア:

[(1, 21285924), (2, 10642962), (3, 7095308), (4, 5321481), (6, 3547654), (11, 1935084), (12, 1773827), (22, 967542), (33, 645028), (44, 483771), (47, 452892), (66, 322514), (73, 291588), (94, 226446), (132, 161257), (141, 150964), (146, 145794), (188, 113223), (219, 97196), (282, 75482), (292, 72897), (438, 48598), (517, 41172), (564, 37741), (803, 26508), (876, 24299), (1034, 20586), (1551, 13724), (1606, 13254), (2068, 10293), (2209, 9636), (2409, 8836), (3102, 6862), (3212, 6627), (3431, 6204), (4418, 4818)]