21729695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3067}}^1$

素因数の和:3194

約数の個数: 16

約数和(自身を含む): 28348320

約数和(自身を除く): 6618625

約数列:

[1, 5, 13, 65, 109, 545, 1417, 3067, 7085, 15335, 39871, 199355, 334303, 1671515, 4345939, 21729695]

約数ペア:

[(1, 21729695), (5, 4345939), (13, 1671515), (65, 334303), (109, 199355), (545, 39871), (1417, 15335), (3067, 7085)]