21496145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{16993}}^1$

素因数の和:17032

約数の個数: 16

約数和(自身を含む): 29365632

約数和(自身を除く): 7869487

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 16993, 84965, 186923, 390839, 934615, 1954195, 4299229, 21496145]

約数ペア:

[(1, 21496145), (5, 4299229), (11, 1954195), (23, 934615), (55, 390839), (115, 186923), (253, 84965), (1265, 16993)]