21547485

素因数分解:

$3^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{827}}^1$

素因数の和:1034

約数の個数: 32

約数和(自身を含む): 38551680

約数和(自身を除く): 17004195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 193, 579, 827, 965, 1737, 2481, 2895, 4135, 5211, 7443, 8685, 12405, 22329, 26055, 37215, 111645, 159611, 478833, 798055, 1436499, 2394165, 4309497, 7182495, 21547485]

約数ペア:

[(1, 21547485), (3, 7182495), (5, 4309497), (9, 2394165), (15, 1436499), (27, 798055), (45, 478833), (135, 159611), (193, 111645), (579, 37215), (827, 26055), (965, 22329), (1737, 12405), (2481, 8685), (2895, 7443), (4135, 5211)]