21373254

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{56543}}^1$

素因数の和:56561

約数の個数: 32

約数和(自身を含む): 54282240

約数和(自身を除く): 32908986

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 56543, 113086, 169629, 339258, 395801, 508887, 791602, 1017774, 1187403, 1526661, 2374806, 3053322, 3562209, 7124418, 10686627, 21373254]

約数ペア:

[(1, 21373254), (2, 10686627), (3, 7124418), (6, 3562209), (7, 3053322), (9, 2374806), (14, 1526661), (18, 1187403), (21, 1017774), (27, 791602), (42, 508887), (54, 395801), (63, 339258), (126, 169629), (189, 113086), (378, 56543)]