21625590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 63452160

約数和(自身を除く): 41826570

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 53, 58, 67, 70, 87, 105, 106, 134, 145, 159, 174, 201, 203, 210, 265, 290, 318, 335, 371, 402, 406, 435, 469, 530, 609, 670, 742, 795, 870, 938, 1005, 1015, 1113, 1218, 1407, 1537, 1590, 1855, 1943, 2010, 2030, 2226, 2345, 2814, 3045, 3074, 3551, 3710, 3886, 4611, 4690, 5565, 5829, 6090, 7035, 7102, 7685, 9222, 9715, 10653, 10759, 11130, 11658, 13601, 14070, 15370, 17755, 19430, 21306, 21518, 23055, 24857, 27202, 29145, 32277, 35510, 40803, 46110, 49714, 53265, 53795, 58290, 64554, 68005, 74571, 81606, 102979, 106530, 107590, 124285, 136010, 149142, 161385, 204015, 205958, 248570, 308937, 322770, 372855, 408030, 514895, 617874, 720853, 745710, 1029790, 1441706, 1544685, 2162559, 3089370, 3604265, 4325118, 7208530, 10812795, 21625590]

約数ペア:

[(1, 21625590), (2, 10812795), (3, 7208530), (5, 4325118), (6, 3604265), (7, 3089370), (10, 2162559), (14, 1544685), (15, 1441706), (21, 1029790), (29, 745710), (30, 720853), (35, 617874), (42, 514895), (53, 408030), (58, 372855), (67, 322770), (70, 308937), (87, 248570), (105, 205958), (106, 204015), (134, 161385), (145, 149142), (159, 136010), (174, 124285), (201, 107590), (203, 106530), (210, 102979), (265, 81606), (290, 74571), (318, 68005), (335, 64554), (371, 58290), (402, 53795), (406, 53265), (435, 49714), (469, 46110), (530, 40803), (609, 35510), (670, 32277), (742, 29145), (795, 27202), (870, 24857), (938, 23055), (1005, 21518), (1015, 21306), (1113, 19430), (1218, 17755), (1407, 15370), (1537, 14070), (1590, 13601), (1855, 11658), (1943, 11130), (2010, 10759), (2030, 10653), (2226, 9715), (2345, 9222), (2814, 7685), (3045, 7102), (3074, 7035), (3551, 6090), (3710, 5829), (3886, 5565), (4611, 4690)]