21197862

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:125

約数の個数: 112

約数和(自身を含む): 57080832

約数和(自身を除く): 35882970

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 67, 81, 93, 126, 134, 162, 186, 189, 201, 217, 243, 279, 378, 402, 434, 469, 486, 558, 567, 603, 651, 729, 837, 938, 1134, 1206, 1302, 1407, 1458, 1674, 1701, 1809, 1953, 2077, 2511, 2814, 3402, 3618, 3906, 4154, 4221, 5022, 5103, 5427, 5859, 6231, 7533, 8442, 10206, 10854, 11718, 12462, 12663, 14539, 15066, 16281, 17577, 18693, 22599, 25326, 29078, 32562, 35154, 37386, 37989, 43617, 45198, 48843, 52731, 56079, 75978, 87234, 97686, 105462, 112158, 113967, 130851, 158193, 168237, 227934, 261702, 316386, 336474, 341901, 392553, 504711, 683802, 785106, 1009422, 1177659, 1514133, 2355318, 3028266, 3532977, 7065954, 10598931, 21197862]

約数ペア:

[(1, 21197862), (2, 10598931), (3, 7065954), (6, 3532977), (7, 3028266), (9, 2355318), (14, 1514133), (18, 1177659), (21, 1009422), (27, 785106), (31, 683802), (42, 504711), (54, 392553), (62, 341901), (63, 336474), (67, 316386), (81, 261702), (93, 227934), (126, 168237), (134, 158193), (162, 130851), (186, 113967), (189, 112158), (201, 105462), (217, 97686), (243, 87234), (279, 75978), (378, 56079), (402, 52731), (434, 48843), (469, 45198), (486, 43617), (558, 37989), (567, 37386), (603, 35154), (651, 32562), (729, 29078), (837, 25326), (938, 22599), (1134, 18693), (1206, 17577), (1302, 16281), (1407, 15066), (1458, 14539), (1674, 12663), (1701, 12462), (1809, 11718), (1953, 10854), (2077, 10206), (2511, 8442), (2814, 7533), (3402, 6231), (3618, 5859), (3906, 5427), (4154, 5103), (4221, 5022)]