21029344

素因数分解:

$2^5\times 7^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:635

約数の個数: 48

約数和(自身を含む): 47628000

約数和(自身を除く): 26598656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 269, 349, 538, 698, 1076, 1396, 1883, 2152, 2443, 2792, 3766, 4304, 4886, 5584, 7532, 8608, 9772, 11168, 15064, 19544, 30128, 39088, 60256, 78176, 93881, 187762, 375524, 657167, 751048, 1314334, 1502096, 2628668, 3004192, 5257336, 10514672, 21029344]

約数ペア:

[(1, 21029344), (2, 10514672), (4, 5257336), (7, 3004192), (8, 2628668), (14, 1502096), (16, 1314334), (28, 751048), (32, 657167), (56, 375524), (112, 187762), (224, 93881), (269, 78176), (349, 60256), (538, 39088), (698, 30128), (1076, 19544), (1396, 15064), (1883, 11168), (2152, 9772), (2443, 8608), (2792, 7532), (3766, 5584), (4304, 4886)]