21823840

素因数分解:

$2^5\times 5^1\times {\mathrm{136399}}^1$

素因数の和:136414

約数の個数: 24

約数和(自身を含む): 51559200

約数和(自身を除く): 29735360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 136399, 272798, 545596, 681995, 1091192, 1363990, 2182384, 2727980, 4364768, 5455960, 10911920, 21823840]

約数ペア:

[(1, 21823840), (2, 10911920), (4, 5455960), (5, 4364768), (8, 2727980), (10, 2182384), (16, 1363990), (20, 1091192), (32, 681995), (40, 545596), (80, 272798), (160, 136399)]