21352278

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 43752960

約数和(自身を除く): 22400682

約数列:

[1, 2, 3, 6, 79, 107, 158, 214, 237, 321, 421, 474, 642, 842, 1263, 2526, 8453, 16906, 25359, 33259, 45047, 50718, 66518, 90094, 99777, 135141, 199554, 270282, 3558713, 7117426, 10676139, 21352278]

約数ペア:

[(1, 21352278), (2, 10676139), (3, 7117426), (6, 3558713), (79, 270282), (107, 199554), (158, 135141), (214, 99777), (237, 90094), (321, 66518), (421, 50718), (474, 45047), (642, 33259), (842, 25359), (1263, 16906), (2526, 8453)]