21532952

素因数分解:

$2^3\times 7^2\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 47394360

約数和(自身を除く): 25861408

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 163, 196, 326, 337, 392, 652, 674, 1141, 1304, 1348, 2282, 2359, 2696, 4564, 4718, 7987, 9128, 9436, 15974, 16513, 18872, 31948, 33026, 54931, 63896, 66052, 109862, 132104, 219724, 384517, 439448, 769034, 1538068, 2691619, 3076136, 5383238, 10766476, 21532952]

約数ペア:

[(1, 21532952), (2, 10766476), (4, 5383238), (7, 3076136), (8, 2691619), (14, 1538068), (28, 769034), (49, 439448), (56, 384517), (98, 219724), (163, 132104), (196, 109862), (326, 66052), (337, 63896), (392, 54931), (652, 33026), (674, 31948), (1141, 18872), (1304, 16513), (1348, 15974), (2282, 9436), (2359, 9128), (2696, 7987), (4564, 4718)]