21294864

素因数分解:

$2^4\times 3^2\times {\mathrm{147881}}^1$

素因数の和:147895

約数の個数: 30

約数和(自身を含む): 59596446

約数和(自身を除く): 38301582

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 147881, 295762, 443643, 591524, 887286, 1183048, 1330929, 1774572, 2366096, 2661858, 3549144, 5323716, 7098288, 10647432, 21294864]

約数ペア:

[(1, 21294864), (2, 10647432), (3, 7098288), (4, 5323716), (6, 3549144), (8, 2661858), (9, 2366096), (12, 1774572), (16, 1330929), (18, 1183048), (24, 887286), (36, 591524), (48, 443643), (72, 295762), (144, 147881)]