21683970

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:190

約数の個数: 192

約数和(自身を含む): 73872000

約数和(自身を除く): 52188030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 49, 54, 55, 63, 66, 70, 77, 90, 98, 99, 105, 110, 126, 135, 147, 149, 154, 165, 189, 198, 210, 231, 245, 270, 294, 297, 298, 315, 330, 378, 385, 441, 447, 462, 490, 495, 539, 594, 630, 693, 735, 745, 770, 882, 894, 945, 990, 1043, 1078, 1155, 1323, 1341, 1386, 1470, 1485, 1490, 1617, 1639, 1890, 2079, 2086, 2205, 2235, 2310, 2646, 2682, 2695, 2970, 3129, 3234, 3278, 3465, 4023, 4158, 4410, 4470, 4851, 4917, 5215, 5390, 6258, 6615, 6705, 6930, 7301, 8046, 8085, 8195, 9387, 9702, 9834, 10395, 10430, 11473, 13230, 13410, 14553, 14602, 14751, 15645, 16170, 16390, 18774, 20115, 20790, 21903, 22946, 24255, 24585, 28161, 29106, 29502, 31290, 34419, 36505, 40230, 43806, 44253, 46935, 48510, 49170, 56322, 57365, 65709, 68838, 72765, 73010, 73755, 80311, 88506, 93870, 103257, 109515, 114730, 131418, 140805, 145530, 147510, 160622, 172095, 197127, 206514, 219030, 221265, 240933, 281610, 309771, 328545, 344190, 394254, 401555, 442530, 481866, 516285, 619542, 657090, 722799, 803110, 985635, 1032570, 1204665, 1445598, 1548855, 1971270, 2168397, 2409330, 3097710, 3613995, 4336794, 7227990, 10841985, 21683970]

約数ペア:

[(1, 21683970), (2, 10841985), (3, 7227990), (5, 4336794), (6, 3613995), (7, 3097710), (9, 2409330), (10, 2168397), (11, 1971270), (14, 1548855), (15, 1445598), (18, 1204665), (21, 1032570), (22, 985635), (27, 803110), (30, 722799), (33, 657090), (35, 619542), (42, 516285), (45, 481866), (49, 442530), (54, 401555), (55, 394254), (63, 344190), (66, 328545), (70, 309771), (77, 281610), (90, 240933), (98, 221265), (99, 219030), (105, 206514), (110, 197127), (126, 172095), (135, 160622), (147, 147510), (149, 145530), (154, 140805), (165, 131418), (189, 114730), (198, 109515), (210, 103257), (231, 93870), (245, 88506), (270, 80311), (294, 73755), (297, 73010), (298, 72765), (315, 68838), (330, 65709), (378, 57365), (385, 56322), (441, 49170), (447, 48510), (462, 46935), (490, 44253), (495, 43806), (539, 40230), (594, 36505), (630, 34419), (693, 31290), (735, 29502), (745, 29106), (770, 28161), (882, 24585), (894, 24255), (945, 22946), (990, 21903), (1043, 20790), (1078, 20115), (1155, 18774), (1323, 16390), (1341, 16170), (1386, 15645), (1470, 14751), (1485, 14602), (1490, 14553), (1617, 13410), (1639, 13230), (1890, 11473), (2079, 10430), (2086, 10395), (2205, 9834), (2235, 9702), (2310, 9387), (2646, 8195), (2682, 8085), (2695, 8046), (2970, 7301), (3129, 6930), (3234, 6705), (3278, 6615), (3465, 6258), (4023, 5390), (4158, 5215), (4410, 4917), (4470, 4851)]