21718620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1567}}^1$

素因数の和:1600

約数の個数: 144

約数和(自身を含む): 82188288

約数和(自身を除く): 60469668

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1567, 1980, 2310, 2772, 3134, 3465, 4620, 4701, 6268, 6930, 7835, 9402, 10969, 13860, 14103, 15670, 17237, 18804, 21938, 23505, 28206, 31340, 32907, 34474, 43876, 47010, 51711, 54845, 56412, 65814, 68948, 70515, 86185, 94020, 98721, 103422, 109690, 120659, 131628, 141030, 155133, 164535, 172370, 197442, 206844, 219380, 241318, 258555, 282060, 310266, 329070, 344740, 361977, 394884, 482636, 493605, 517110, 603295, 620532, 658140, 723954, 775665, 987210, 1034220, 1085931, 1206590, 1447908, 1551330, 1809885, 1974420, 2171862, 2413180, 3102660, 3619770, 4343724, 5429655, 7239540, 10859310, 21718620]

約数ペア:

[(1, 21718620), (2, 10859310), (3, 7239540), (4, 5429655), (5, 4343724), (6, 3619770), (7, 3102660), (9, 2413180), (10, 2171862), (11, 1974420), (12, 1809885), (14, 1551330), (15, 1447908), (18, 1206590), (20, 1085931), (21, 1034220), (22, 987210), (28, 775665), (30, 723954), (33, 658140), (35, 620532), (36, 603295), (42, 517110), (44, 493605), (45, 482636), (55, 394884), (60, 361977), (63, 344740), (66, 329070), (70, 310266), (77, 282060), (84, 258555), (90, 241318), (99, 219380), (105, 206844), (110, 197442), (126, 172370), (132, 164535), (140, 155133), (154, 141030), (165, 131628), (180, 120659), (198, 109690), (210, 103422), (220, 98721), (231, 94020), (252, 86185), (308, 70515), (315, 68948), (330, 65814), (385, 56412), (396, 54845), (420, 51711), (462, 47010), (495, 43876), (630, 34474), (660, 32907), (693, 31340), (770, 28206), (924, 23505), (990, 21938), (1155, 18804), (1260, 17237), (1386, 15670), (1540, 14103), (1567, 13860), (1980, 10969), (2310, 9402), (2772, 7835), (3134, 6930), (3465, 6268), (4620, 4701)]