21394534

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{373}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 39099456

約数和(自身を除く): 17704922

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 241, 373, 482, 746, 1687, 2611, 3374, 4097, 5222, 6341, 8194, 12682, 28679, 44387, 57358, 88774, 89893, 179786, 629251, 1258502, 1528181, 3056362, 10697267, 21394534]

約数ペア:

[(1, 21394534), (2, 10697267), (7, 3056362), (14, 1528181), (17, 1258502), (34, 629251), (119, 179786), (238, 89893), (241, 88774), (373, 57358), (482, 44387), (746, 28679), (1687, 12682), (2611, 8194), (3374, 6341), (4097, 5222)]