21936615

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 36633600

約数和(自身を除く): 14696985

約数列:

[1, 3, 5, 15, 29, 87, 145, 211, 239, 435, 633, 717, 1055, 1195, 3165, 3585, 6119, 6931, 18357, 20793, 30595, 34655, 50429, 91785, 103965, 151287, 252145, 756435, 1462441, 4387323, 7312205, 21936615]

約数ペア:

[(1, 21936615), (3, 7312205), (5, 4387323), (15, 1462441), (29, 756435), (87, 252145), (145, 151287), (211, 103965), (239, 91785), (435, 50429), (633, 34655), (717, 30595), (1055, 20793), (1195, 18357), (3165, 6931), (3585, 6119)]