21086546

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 35392896

約数和(自身を除く): 14306350

約数列:

[1, 2, 13, 26, 41, 82, 131, 151, 262, 302, 533, 1066, 1703, 1963, 3406, 3926, 5371, 6191, 10742, 12382, 19781, 39562, 69823, 80483, 139646, 160966, 257153, 514306, 811021, 1622042, 10543273, 21086546]

約数ペア:

[(1, 21086546), (2, 10543273), (13, 1622042), (26, 811021), (41, 514306), (82, 257153), (131, 160966), (151, 139646), (262, 80483), (302, 69823), (533, 39562), (1066, 19781), (1703, 12382), (1963, 10742), (3406, 6191), (3926, 5371)]