21583375

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{1427}}^1$

素因数の和:1464

約数の個数: 24

約数和(自身を含む): 29628144

約数和(自身を除く): 8044769

約数列:

[1, 5, 11, 25, 55, 121, 125, 275, 605, 1375, 1427, 3025, 7135, 15125, 15697, 35675, 78485, 172667, 178375, 392425, 863335, 1962125, 4316675, 21583375]

約数ペア:

[(1, 21583375), (5, 4316675), (11, 1962125), (25, 863335), (55, 392425), (121, 178375), (125, 172667), (275, 78485), (605, 35675), (1375, 15697), (1427, 15125), (3025, 7135)]