21537292

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 45868032

約数和(自身を除く): 24330740

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 53, 92, 106, 161, 212, 322, 371, 631, 644, 742, 1219, 1262, 1484, 2438, 2524, 4417, 4876, 8533, 8834, 14513, 17066, 17668, 29026, 33443, 34132, 58052, 66886, 101591, 133772, 203182, 234101, 406364, 468202, 769189, 936404, 1538378, 3076756, 5384323, 10768646, 21537292]

約数ペア:

[(1, 21537292), (2, 10768646), (4, 5384323), (7, 3076756), (14, 1538378), (23, 936404), (28, 769189), (46, 468202), (53, 406364), (92, 234101), (106, 203182), (161, 133772), (212, 101591), (322, 66886), (371, 58052), (631, 34132), (644, 33443), (742, 29026), (1219, 17668), (1262, 17066), (1484, 14513), (2438, 8834), (2524, 8533), (4417, 4876)]