21102584157

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{248041}}^1$

素因数の和:248210

約数の個数: 32

約数和(自身を含む): 32860604160

約数和(自身を除く): 11758020003

約数列:

[1, 3, 9, 23, 27, 69, 137, 207, 411, 621, 1233, 3151, 3699, 9453, 28359, 85077, 248041, 744123, 2232369, 5704943, 6697107, 17114829, 33981617, 51344487, 101944851, 154033461, 305834553, 781577191, 917503659, 2344731573, 7034194719, 21102584157]

約数ペア:

[(1, 21102584157), (3, 7034194719), (9, 2344731573), (23, 917503659), (27, 781577191), (69, 305834553), (137, 154033461), (207, 101944851), (411, 51344487), (621, 33981617), (1233, 17114829), (3151, 6697107), (3699, 5704943), (9453, 2232369), (28359, 744123), (85077, 248041)]