21557532

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2111}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 53932032

約数和(自身を除く): 32374500

約数列:

[1, 2, 3, 4, 6, 12, 23, 37, 46, 69, 74, 92, 111, 138, 148, 222, 276, 444, 851, 1702, 2111, 2553, 3404, 4222, 5106, 6333, 8444, 10212, 12666, 25332, 48553, 78107, 97106, 145659, 156214, 194212, 234321, 291318, 312428, 468642, 582636, 937284, 1796461, 3592922, 5389383, 7185844, 10778766, 21557532]

約数ペア:

[(1, 21557532), (2, 10778766), (3, 7185844), (4, 5389383), (6, 3592922), (12, 1796461), (23, 937284), (37, 582636), (46, 468642), (69, 312428), (74, 291318), (92, 234321), (111, 194212), (138, 156214), (148, 145659), (222, 97106), (276, 78107), (444, 48553), (851, 25332), (1702, 12666), (2111, 10212), (2553, 8444), (3404, 6333), (4222, 5106)]