21123934

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 36560160

約数和(自身を除く): 15436226

約数列:

[1, 2, 13, 19, 26, 38, 61, 122, 247, 494, 701, 793, 1159, 1402, 1586, 2318, 9113, 13319, 15067, 18226, 26638, 30134, 42761, 85522, 173147, 346294, 555893, 812459, 1111786, 1624918, 10561967, 21123934]

約数ペア:

[(1, 21123934), (2, 10561967), (13, 1624918), (19, 1111786), (26, 812459), (38, 555893), (61, 346294), (122, 173147), (247, 85522), (494, 42761), (701, 30134), (793, 26638), (1159, 18226), (1402, 15067), (1586, 13319), (2318, 9113)]