21272276

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{859}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 38431680

約数和(自身を除く): 17159404

約数列:

[1, 2, 4, 41, 82, 151, 164, 302, 604, 859, 1718, 3436, 6191, 12382, 24764, 35219, 70438, 129709, 140876, 259418, 518836, 5318069, 10636138, 21272276]

約数ペア:

[(1, 21272276), (2, 10636138), (4, 5318069), (41, 518836), (82, 259418), (151, 140876), (164, 129709), (302, 70438), (604, 35219), (859, 24764), (1718, 12382), (3436, 6191)]