21127716

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{1069}}^1$

素因数の和:1146

約数の個数: 60

約数和(自身を含む): 56189980

約数和(自身を除く): 35062264

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 244, 324, 366, 549, 732, 1069, 1098, 1647, 2138, 2196, 3207, 3294, 4276, 4941, 6414, 6588, 9621, 9882, 12828, 19242, 19764, 28863, 38484, 57726, 65209, 86589, 115452, 130418, 173178, 195627, 260836, 346356, 391254, 586881, 782508, 1173762, 1760643, 2347524, 3521286, 5281929, 7042572, 10563858, 21127716]

約数ペア:

[(1, 21127716), (2, 10563858), (3, 7042572), (4, 5281929), (6, 3521286), (9, 2347524), (12, 1760643), (18, 1173762), (27, 782508), (36, 586881), (54, 391254), (61, 346356), (81, 260836), (108, 195627), (122, 173178), (162, 130418), (183, 115452), (244, 86589), (324, 65209), (366, 57726), (549, 38484), (732, 28863), (1069, 19764), (1098, 19242), (1647, 12828), (2138, 9882), (2196, 9621), (3207, 6588), (3294, 6414), (4276, 4941)]