21821328

素因数分解:

$2^4\times 3^2\times {\mathrm{151537}}^1$

素因数の和:151551

約数の個数: 30

約数和(自身を含む): 61069814

約数和(自身を除く): 39248486

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 151537, 303074, 454611, 606148, 909222, 1212296, 1363833, 1818444, 2424592, 2727666, 3636888, 5455332, 7273776, 10910664, 21821328]

約数ペア:

[(1, 21821328), (2, 10910664), (3, 7273776), (4, 5455332), (6, 3636888), (8, 2727666), (9, 2424592), (12, 1818444), (16, 1363833), (18, 1212296), (24, 909222), (36, 606148), (48, 454611), (72, 303074), (144, 151537)]