21818544

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 65013696

約数和(自身を除く): 43195152

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 43, 44, 48, 62, 66, 86, 88, 93, 124, 129, 132, 172, 176, 186, 248, 258, 264, 341, 344, 372, 473, 496, 516, 528, 682, 688, 744, 946, 961, 1023, 1032, 1333, 1364, 1419, 1488, 1892, 1922, 2046, 2064, 2666, 2728, 2838, 2883, 3784, 3844, 3999, 4092, 5332, 5456, 5676, 5766, 7568, 7688, 7998, 8184, 10571, 10664, 11352, 11532, 14663, 15376, 15996, 16368, 21142, 21328, 22704, 23064, 29326, 31713, 31992, 41323, 42284, 43989, 46128, 58652, 63426, 63984, 82646, 84568, 87978, 117304, 123969, 126852, 165292, 169136, 175956, 234608, 247938, 253704, 330584, 351912, 454553, 495876, 507408, 661168, 703824, 909106, 991752, 1363659, 1818212, 1983504, 2727318, 3636424, 5454636, 7272848, 10909272, 21818544]

約数ペア:

[(1, 21818544), (2, 10909272), (3, 7272848), (4, 5454636), (6, 3636424), (8, 2727318), (11, 1983504), (12, 1818212), (16, 1363659), (22, 991752), (24, 909106), (31, 703824), (33, 661168), (43, 507408), (44, 495876), (48, 454553), (62, 351912), (66, 330584), (86, 253704), (88, 247938), (93, 234608), (124, 175956), (129, 169136), (132, 165292), (172, 126852), (176, 123969), (186, 117304), (248, 87978), (258, 84568), (264, 82646), (341, 63984), (344, 63426), (372, 58652), (473, 46128), (496, 43989), (516, 42284), (528, 41323), (682, 31992), (688, 31713), (744, 29326), (946, 23064), (961, 22704), (1023, 21328), (1032, 21142), (1333, 16368), (1364, 15996), (1419, 15376), (1488, 14663), (1892, 11532), (1922, 11352), (2046, 10664), (2064, 10571), (2666, 8184), (2728, 7998), (2838, 7688), (2883, 7568), (3784, 5766), (3844, 5676), (3999, 5456), (4092, 5332)]