21553686

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15551}}^1$

素因数の和:15577

約数の個数: 48

約数和(自身を含む): 58226688

約数和(自身を除く): 36673002

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15551, 31102, 46653, 93306, 108857, 139959, 171061, 217714, 279918, 326571, 342122, 513183, 653142, 979713, 1026366, 1197427, 1539549, 1959426, 2394854, 3079098, 3592281, 7184562, 10776843, 21553686]

約数ペア:

[(1, 21553686), (2, 10776843), (3, 7184562), (6, 3592281), (7, 3079098), (9, 2394854), (11, 1959426), (14, 1539549), (18, 1197427), (21, 1026366), (22, 979713), (33, 653142), (42, 513183), (63, 342122), (66, 326571), (77, 279918), (99, 217714), (126, 171061), (154, 139959), (198, 108857), (231, 93306), (462, 46653), (693, 31102), (1386, 15551)]