21874229

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:524

約数の個数: 16

約数和(自身を含む): 24393600

約数和(自身を除く): 2519371

約数列:

[1, 13, 43, 109, 359, 559, 1417, 4667, 4687, 15437, 39131, 60931, 200681, 508703, 1682633, 21874229]

約数ペア:

[(1, 21874229), (13, 1682633), (43, 508703), (109, 200681), (359, 60931), (559, 39131), (1417, 15437), (4667, 4687)]