21269590

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21059}}^1$

素因数の和:21167

約数の個数: 16

約数和(自身を含む): 38666160

約数和(自身を除く): 17396570

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 21059, 42118, 105295, 210590, 2126959, 4253918, 10634795, 21269590]

約数ペア:

[(1, 21269590), (2, 10634795), (5, 4253918), (10, 2126959), (101, 210590), (202, 105295), (505, 42118), (1010, 21059)]