21622818

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{73547}}^1$

素因数の和:73566

約数の個数: 24

約数和(自身を含む): 50306832

約数和(自身を除く): 28684014

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 73547, 147094, 220641, 441282, 514829, 1029658, 1544487, 3088974, 3603803, 7207606, 10811409, 21622818]

約数ペア:

[(1, 21622818), (2, 10811409), (3, 7207606), (6, 3603803), (7, 3088974), (14, 1544487), (21, 1029658), (42, 514829), (49, 441282), (98, 220641), (147, 147094), (294, 73547)]