21880782

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15787}}^1$

素因数の和:15813

約数の個数: 48

約数和(自身を含む): 59110272

約数和(自身を除く): 37229490

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, 15787, 31574, 47361, 94722, 110509, 142083, 173657, 221018, 284166, 331527, 347314, 520971, 663054, 994581, 1041942, 1215599, 1562913, 1989162, 2431198, 3125826, 3646797, 7293594, 10940391, 21880782]

約数ペア:

[(1, 21880782), (2, 10940391), (3, 7293594), (6, 3646797), (7, 3125826), (9, 2431198), (11, 1989162), (14, 1562913), (18, 1215599), (21, 1041942), (22, 994581), (33, 663054), (42, 520971), (63, 347314), (66, 331527), (77, 284166), (99, 221018), (126, 173657), (154, 142083), (198, 110509), (231, 94722), (462, 47361), (693, 31574), (1386, 15787)]