21823120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24799}}^1$

素因数の和:24823

約数の個数: 40

約数和(自身を含む): 55353600

約数和(自身を除く): 33530480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 24799, 49598, 99196, 123995, 198392, 247990, 272789, 396784, 495980, 545578, 991960, 1091156, 1363945, 1983920, 2182312, 2727890, 4364624, 5455780, 10911560, 21823120]

約数ペア:

[(1, 21823120), (2, 10911560), (4, 5455780), (5, 4364624), (8, 2727890), (10, 2182312), (11, 1983920), (16, 1363945), (20, 1091156), (22, 991960), (40, 545578), (44, 495980), (55, 396784), (80, 272789), (88, 247990), (110, 198392), (176, 123995), (220, 99196), (440, 49598), (880, 24799)]