21055430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191413}}^1$

素因数の和:191431

約数の個数: 16

約数和(自身を含む): 41345424

約数和(自身を除く): 20289994

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191413, 382826, 957065, 1914130, 2105543, 4211086, 10527715, 21055430]

約数ペア:

[(1, 21055430), (2, 10527715), (5, 4211086), (10, 2105543), (11, 1914130), (22, 957065), (55, 382826), (110, 191413)]