21068424005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 27313179264

約数和(自身を除く): 6244755259

約数列:

[1, 5, 23, 37, 115, 163, 185, 815, 821, 851, 1369, 3749, 4105, 4255, 6031, 6845, 18745, 18883, 30155, 30377, 31487, 94415, 133823, 138713, 151885, 157435, 223147, 669115, 693565, 698671, 1115735, 1123949, 3077929, 3493355, 4951451, 5132381, 5619745, 15389645, 24757255, 25661905, 25850827, 113883373, 129254135, 183203687, 569416865, 916018435, 4213684801, 21068424005]

約数ペア:

[(1, 21068424005), (5, 4213684801), (23, 916018435), (37, 569416865), (115, 183203687), (163, 129254135), (185, 113883373), (815, 25850827), (821, 25661905), (851, 24757255), (1369, 15389645), (3749, 5619745), (4105, 5132381), (4255, 4951451), (6031, 3493355), (6845, 3077929), (18745, 1123949), (18883, 1115735), (30155, 698671), (30377, 693565), (31487, 669115), (94415, 223147), (133823, 157435), (138713, 151885)]