21729654

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{21179}}^1$

素因数の和:21209

約数の個数: 32

約数和(自身を含む): 50832000

約数和(自身を除く): 29102346

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 21179, 42358, 63537, 127074, 190611, 381222, 402401, 571833, 804802, 1143666, 1207203, 2414406, 3621609, 7243218, 10864827, 21729654]

約数ペア:

[(1, 21729654), (2, 10864827), (3, 7243218), (6, 3621609), (9, 2414406), (18, 1207203), (19, 1143666), (27, 804802), (38, 571833), (54, 402401), (57, 381222), (114, 190611), (171, 127074), (342, 63537), (513, 42358), (1026, 21179)]