21378132

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{25819}}^1$

素因数の和:25852

約数の個数: 36

約数和(自身を含む): 56390880

約数和(自身を除く): 35012748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 25819, 51638, 77457, 103276, 154914, 232371, 309828, 464742, 593837, 929484, 1187674, 1781511, 2375348, 3563022, 5344533, 7126044, 10689066, 21378132]

約数ペア:

[(1, 21378132), (2, 10689066), (3, 7126044), (4, 5344533), (6, 3563022), (9, 2375348), (12, 1781511), (18, 1187674), (23, 929484), (36, 593837), (46, 464742), (69, 309828), (92, 232371), (138, 154914), (207, 103276), (276, 77457), (414, 51638), (828, 25819)]