21749200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4943}}^1$

素因数の和:4972

約数の個数: 60

約数和(自身を含む): 57014208

約数和(自身を除く): 35265008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4943, 9886, 19772, 24715, 39544, 49430, 54373, 79088, 98860, 108746, 123575, 197720, 217492, 247150, 271865, 395440, 434984, 494300, 543730, 869968, 988600, 1087460, 1359325, 1977200, 2174920, 2718650, 4349840, 5437300, 10874600, 21749200]

約数ペア:

[(1, 21749200), (2, 10874600), (4, 5437300), (5, 4349840), (8, 2718650), (10, 2174920), (11, 1977200), (16, 1359325), (20, 1087460), (22, 988600), (25, 869968), (40, 543730), (44, 494300), (50, 434984), (55, 395440), (80, 271865), (88, 247150), (100, 217492), (110, 197720), (176, 123575), (200, 108746), (220, 98860), (275, 79088), (400, 54373), (440, 49430), (550, 39544), (880, 24715), (1100, 19772), (2200, 9886), (4400, 4943)]