21492618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8389}}^1$

素因数の和:8462

約数の個数: 32

約数和(自身を含む): 49937280

約数和(自身を除く): 28444662

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 8389, 16778, 25167, 50334, 58723, 117446, 176169, 352338, 511729, 1023458, 1535187, 3070374, 3582103, 7164206, 10746309, 21492618]

約数ペア:

[(1, 21492618), (2, 10746309), (3, 7164206), (6, 3582103), (7, 3070374), (14, 1535187), (21, 1023458), (42, 511729), (61, 352338), (122, 176169), (183, 117446), (366, 58723), (427, 50334), (854, 25167), (1281, 16778), (2562, 8389)]