21780624

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{15647}}^1$

素因数の和:15687

約数の個数: 40

約数和(自身を含む): 58210560

約数和(自身を除く): 36429936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 696, 1392, 15647, 31294, 46941, 62588, 93882, 125176, 187764, 250352, 375528, 453763, 751056, 907526, 1361289, 1815052, 2722578, 3630104, 5445156, 7260208, 10890312, 21780624]

約数ペア:

[(1, 21780624), (2, 10890312), (3, 7260208), (4, 5445156), (6, 3630104), (8, 2722578), (12, 1815052), (16, 1361289), (24, 907526), (29, 751056), (48, 453763), (58, 375528), (87, 250352), (116, 187764), (174, 125176), (232, 93882), (348, 62588), (464, 46941), (696, 31294), (1392, 15647)]