21782332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 45313632

約数和(自身を除く): 23531300

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 113, 143, 226, 286, 337, 452, 572, 674, 1243, 1348, 1469, 2486, 2938, 3707, 4381, 4972, 5876, 7414, 8762, 14828, 16159, 17524, 32318, 38081, 48191, 64636, 76162, 96382, 152324, 192764, 418891, 495053, 837782, 990106, 1675564, 1980212, 5445583, 10891166, 21782332]

約数ペア:

[(1, 21782332), (2, 10891166), (4, 5445583), (11, 1980212), (13, 1675564), (22, 990106), (26, 837782), (44, 495053), (52, 418891), (113, 192764), (143, 152324), (226, 96382), (286, 76162), (337, 64636), (452, 48191), (572, 38081), (674, 32318), (1243, 17524), (1348, 16159), (1469, 14828), (2486, 8762), (2938, 7414), (3707, 5876), (4381, 4972)]