21768876

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 57679440

約数和(自身を除く): 35910564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 59, 74, 111, 118, 148, 177, 222, 236, 277, 333, 354, 444, 531, 554, 666, 708, 831, 1062, 1108, 1332, 1662, 2124, 2183, 2493, 3324, 4366, 4986, 6549, 8732, 9972, 10249, 13098, 16343, 19647, 20498, 26196, 30747, 32686, 39294, 40996, 49029, 61494, 65372, 78588, 92241, 98058, 122988, 147087, 184482, 196116, 294174, 368964, 588348, 604691, 1209382, 1814073, 2418764, 3628146, 5442219, 7256292, 10884438, 21768876]

約数ペア:

[(1, 21768876), (2, 10884438), (3, 7256292), (4, 5442219), (6, 3628146), (9, 2418764), (12, 1814073), (18, 1209382), (36, 604691), (37, 588348), (59, 368964), (74, 294174), (111, 196116), (118, 184482), (148, 147087), (177, 122988), (222, 98058), (236, 92241), (277, 78588), (333, 65372), (354, 61494), (444, 49029), (531, 40996), (554, 39294), (666, 32686), (708, 30747), (831, 26196), (1062, 20498), (1108, 19647), (1332, 16343), (1662, 13098), (2124, 10249), (2183, 9972), (2493, 8732), (3324, 6549), (4366, 4986)]