21369978

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{24229}}^1$

素因数の和:24251

約数の個数: 36

約数和(自身を含む): 53863290

約数和(自身を除く): 32493312

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 24229, 48458, 72687, 145374, 169603, 218061, 339206, 436122, 508809, 1017618, 1187221, 1526427, 2374442, 3052854, 3561663, 7123326, 10684989, 21369978]

約数ペア:

[(1, 21369978), (2, 10684989), (3, 7123326), (6, 3561663), (7, 3052854), (9, 2374442), (14, 1526427), (18, 1187221), (21, 1017618), (42, 508809), (49, 436122), (63, 339206), (98, 218061), (126, 169603), (147, 145374), (294, 72687), (441, 48458), (882, 24229)]