21948136

素因数分解:

$2^3\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1163}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 47211840

約数和(自身を除く): 25263704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 337, 674, 1163, 1348, 2326, 2359, 2696, 4652, 4718, 8141, 9304, 9436, 16282, 18872, 32564, 65128, 391931, 783862, 1567724, 2743517, 3135448, 5487034, 10974068, 21948136]

約数ペア:

[(1, 21948136), (2, 10974068), (4, 5487034), (7, 3135448), (8, 2743517), (14, 1567724), (28, 783862), (56, 391931), (337, 65128), (674, 32564), (1163, 18872), (1348, 16282), (2326, 9436), (2359, 9304), (2696, 8141), (4652, 4718)]