2172408

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 6332160

約数和(自身を除く): 4159752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 67, 84, 134, 168, 193, 201, 268, 386, 402, 469, 536, 579, 772, 804, 938, 1158, 1351, 1407, 1544, 1608, 1876, 2316, 2702, 2814, 3752, 4053, 4632, 5404, 5628, 8106, 10808, 11256, 12931, 16212, 25862, 32424, 38793, 51724, 77586, 90517, 103448, 155172, 181034, 271551, 310344, 362068, 543102, 724136, 1086204, 2172408]

約数ペア:

[(1, 2172408), (2, 1086204), (3, 724136), (4, 543102), (6, 362068), (7, 310344), (8, 271551), (12, 181034), (14, 155172), (21, 103448), (24, 90517), (28, 77586), (42, 51724), (56, 38793), (67, 32424), (84, 25862), (134, 16212), (168, 12931), (193, 11256), (201, 10808), (268, 8106), (386, 5628), (402, 5404), (469, 4632), (536, 4053), (579, 3752), (772, 2814), (804, 2702), (938, 2316), (1158, 1876), (1351, 1608), (1407, 1544)]