21405168

素因数分解:

$2^4\times 3^3\times {\mathrm{49549}}^1$

素因数の和:49566

約数の個数: 40

約数和(自身を含む): 61442000

約数和(自身を除く): 40036832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 49549, 99098, 148647, 198196, 297294, 396392, 445941, 594588, 792784, 891882, 1189176, 1337823, 1783764, 2378352, 2675646, 3567528, 5351292, 7135056, 10702584, 21405168]

約数ペア:

[(1, 21405168), (2, 10702584), (3, 7135056), (4, 5351292), (6, 3567528), (8, 2675646), (9, 2378352), (12, 1783764), (16, 1337823), (18, 1189176), (24, 891882), (27, 792784), (36, 594588), (48, 445941), (54, 396392), (72, 297294), (108, 198196), (144, 148647), (216, 99098), (432, 49549)]