21211842

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 45708768

約数和(自身を除く): 24496926

約数列:

[1, 2, 3, 6, 23, 41, 46, 69, 82, 123, 138, 163, 246, 326, 489, 529, 943, 978, 1058, 1587, 1886, 2829, 3174, 3749, 5658, 6683, 7498, 11247, 13366, 20049, 21689, 22494, 40098, 43378, 65067, 86227, 130134, 153709, 172454, 258681, 307418, 461127, 517362, 922254, 3535307, 7070614, 10605921, 21211842]

約数ペア:

[(1, 21211842), (2, 10605921), (3, 7070614), (6, 3535307), (23, 922254), (41, 517362), (46, 461127), (69, 307418), (82, 258681), (123, 172454), (138, 153709), (163, 130134), (246, 86227), (326, 65067), (489, 43378), (529, 40098), (943, 22494), (978, 21689), (1058, 20049), (1587, 13366), (1886, 11247), (2829, 7498), (3174, 6683), (3749, 5658)]