21366675

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 42653520

約数和(自身を除く): 21286845

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 89, 97, 99, 165, 225, 267, 275, 291, 445, 485, 495, 801, 825, 873, 979, 1067, 1335, 1455, 2225, 2425, 2475, 2937, 3201, 4005, 4365, 4895, 5335, 6675, 7275, 8633, 8811, 9603, 14685, 16005, 20025, 21825, 24475, 25899, 26675, 43165, 44055, 48015, 73425, 77697, 80025, 94963, 129495, 215825, 220275, 240075, 284889, 388485, 474815, 647475, 854667, 1424445, 1942425, 2374075, 4273335, 7122225, 21366675]

約数ペア:

[(1, 21366675), (3, 7122225), (5, 4273335), (9, 2374075), (11, 1942425), (15, 1424445), (25, 854667), (33, 647475), (45, 474815), (55, 388485), (75, 284889), (89, 240075), (97, 220275), (99, 215825), (165, 129495), (225, 94963), (267, 80025), (275, 77697), (291, 73425), (445, 48015), (485, 44055), (495, 43165), (801, 26675), (825, 25899), (873, 24475), (979, 21825), (1067, 20025), (1335, 16005), (1455, 14685), (2225, 9603), (2425, 8811), (2475, 8633), (2937, 7275), (3201, 6675), (4005, 5335), (4365, 4895)]