25521426

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 65525760

約数和(自身を除く): 40004334

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 107, 126, 189, 214, 321, 378, 631, 642, 749, 963, 1262, 1498, 1893, 1926, 2247, 2889, 3786, 4417, 4494, 5679, 5778, 6741, 8834, 11358, 13251, 13482, 17037, 20223, 26502, 34074, 39753, 40446, 67517, 79506, 119259, 135034, 202551, 238518, 405102, 472619, 607653, 945238, 1215306, 1417857, 1822959, 2835714, 3645918, 4253571, 8507142, 12760713, 25521426]

約数ペア:

[(1, 25521426), (2, 12760713), (3, 8507142), (6, 4253571), (7, 3645918), (9, 2835714), (14, 1822959), (18, 1417857), (21, 1215306), (27, 945238), (42, 607653), (54, 472619), (63, 405102), (107, 238518), (126, 202551), (189, 135034), (214, 119259), (321, 79506), (378, 67517), (631, 40446), (642, 39753), (749, 34074), (963, 26502), (1262, 20223), (1498, 17037), (1893, 13482), (1926, 13251), (2247, 11358), (2889, 8834), (3786, 6741), (4417, 5778), (4494, 5679)]