21804098

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 36246528

約数和(自身を除く): 14442430

約数列:

[1, 2, 17, 31, 34, 62, 137, 151, 274, 302, 527, 1054, 2329, 2567, 4247, 4658, 4681, 5134, 8494, 9362, 20687, 41374, 72199, 79577, 144398, 159154, 351679, 641297, 703358, 1282594, 10902049, 21804098]

約数ペア:

[(1, 21804098), (2, 10902049), (17, 1282594), (31, 703358), (34, 641297), (62, 351679), (137, 159154), (151, 144398), (274, 79577), (302, 72199), (527, 41374), (1054, 20687), (2329, 9362), (2567, 8494), (4247, 5134), (4658, 4681)]