21018806

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1873}}^1$

素因数の和:2087

約数の個数: 16

約数和(自身を含む): 32742528

約数和(自身を除く): 11723722

約数列:

[1, 2, 31, 62, 181, 362, 1873, 3746, 5611, 11222, 58063, 116126, 339013, 678026, 10509403, 21018806]

約数ペア:

[(1, 21018806), (2, 10509403), (31, 678026), (62, 339013), (181, 116126), (362, 58063), (1873, 11222), (3746, 5611)]