21357024

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:292

約数の個数: 96

約数和(自身を含む): 61316640

約数和(自身を除く): 39959616

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 109, 156, 157, 208, 218, 312, 314, 327, 416, 436, 471, 624, 628, 654, 872, 942, 1248, 1256, 1308, 1417, 1744, 1884, 2041, 2512, 2616, 2834, 3488, 3768, 4082, 4251, 5024, 5232, 5668, 6123, 7536, 8164, 8502, 10464, 11336, 12246, 15072, 16328, 17004, 17113, 22672, 24492, 32656, 34008, 34226, 45344, 48984, 51339, 65312, 68016, 68452, 97968, 102678, 136032, 136904, 195936, 205356, 222469, 273808, 410712, 444938, 547616, 667407, 821424, 889876, 1334814, 1642848, 1779752, 2669628, 3559504, 5339256, 7119008, 10678512, 21357024]

約数ペア:

[(1, 21357024), (2, 10678512), (3, 7119008), (4, 5339256), (6, 3559504), (8, 2669628), (12, 1779752), (13, 1642848), (16, 1334814), (24, 889876), (26, 821424), (32, 667407), (39, 547616), (48, 444938), (52, 410712), (78, 273808), (96, 222469), (104, 205356), (109, 195936), (156, 136904), (157, 136032), (208, 102678), (218, 97968), (312, 68452), (314, 68016), (327, 65312), (416, 51339), (436, 48984), (471, 45344), (624, 34226), (628, 34008), (654, 32656), (872, 24492), (942, 22672), (1248, 17113), (1256, 17004), (1308, 16328), (1417, 15072), (1744, 12246), (1884, 11336), (2041, 10464), (2512, 8502), (2616, 8164), (2834, 7536), (3488, 6123), (3768, 5668), (4082, 5232), (4251, 5024)]