21866055

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1051}}^1$

素因数の和:1151

約数の個数: 32

約数和(自身を含む): 37367040

約数和(自身を除く): 15500985

約数列:

[1, 3, 5, 15, 19, 57, 73, 95, 219, 285, 365, 1051, 1095, 1387, 3153, 4161, 5255, 6935, 15765, 19969, 20805, 59907, 76723, 99845, 230169, 299535, 383615, 1150845, 1457737, 4373211, 7288685, 21866055]

約数ペア:

[(1, 21866055), (3, 7288685), (5, 4373211), (15, 1457737), (19, 1150845), (57, 383615), (73, 299535), (95, 230169), (219, 99845), (285, 76723), (365, 59907), (1051, 20805), (1095, 19969), (1387, 15765), (3153, 6935), (4161, 5255)]