21479742

素因数分解:

$2^1\times 3^5\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 48725040

約数和(自身を除く): 27245298

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 193, 229, 243, 386, 458, 486, 579, 687, 1158, 1374, 1737, 2061, 3474, 4122, 5211, 6183, 10422, 12366, 15633, 18549, 31266, 37098, 44197, 46899, 55647, 88394, 93798, 111294, 132591, 265182, 397773, 795546, 1193319, 2386638, 3579957, 7159914, 10739871, 21479742]

約数ペア:

[(1, 21479742), (2, 10739871), (3, 7159914), (6, 3579957), (9, 2386638), (18, 1193319), (27, 795546), (54, 397773), (81, 265182), (162, 132591), (193, 111294), (229, 93798), (243, 88394), (386, 55647), (458, 46899), (486, 44197), (579, 37098), (687, 31266), (1158, 18549), (1374, 15633), (1737, 12366), (2061, 10422), (3474, 6183), (4122, 5211)]