21446537

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{787}}^1$

素因数の和:1040

約数の個数: 16

約数和(自身を含む): 26098560

約数和(自身を除く): 4652023

約数列:

[1, 7, 17, 119, 229, 787, 1603, 3893, 5509, 13379, 27251, 93653, 180223, 1261561, 3063791, 21446537]

約数ペア:

[(1, 21446537), (7, 3063791), (17, 1261561), (119, 180223), (229, 93653), (787, 27251), (1603, 13379), (3893, 5509)]