21179193

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 12689607

約数列:

[1, 3, 7, 21, 29, 83, 87, 203, 249, 419, 581, 609, 1257, 1743, 2407, 2933, 7221, 8799, 12151, 16849, 34777, 36453, 50547, 85057, 104331, 243439, 255171, 730317, 1008533, 3025599, 7059731, 21179193]

約数ペア:

[(1, 21179193), (3, 7059731), (7, 3025599), (21, 1008533), (29, 730317), (83, 255171), (87, 243439), (203, 104331), (249, 85057), (419, 50547), (581, 36453), (609, 34777), (1257, 16849), (1743, 12151), (2407, 8799), (2933, 7221)]