21442906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 35349120

約数和(自身を除く): 13906214

約数列:

[1, 2, 19, 37, 38, 74, 101, 151, 202, 302, 703, 1406, 1919, 2869, 3737, 3838, 5587, 5738, 7474, 11174, 15251, 30502, 71003, 106153, 142006, 212306, 289769, 564287, 579538, 1128574, 10721453, 21442906]

約数ペア:

[(1, 21442906), (2, 10721453), (19, 1128574), (37, 579538), (38, 564287), (74, 289769), (101, 212306), (151, 142006), (202, 106153), (302, 71003), (703, 30502), (1406, 15251), (1919, 11174), (2869, 7474), (3737, 5738), (3838, 5587)]