21748896

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 68841864

約数和(自身を除く): 47092968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 37, 39, 48, 52, 72, 74, 78, 96, 104, 111, 117, 144, 148, 156, 157, 208, 222, 234, 288, 296, 312, 314, 333, 416, 444, 468, 471, 481, 592, 624, 628, 666, 888, 936, 942, 962, 1184, 1248, 1256, 1332, 1413, 1443, 1776, 1872, 1884, 1924, 2041, 2512, 2664, 2826, 2886, 3552, 3744, 3768, 3848, 4082, 4329, 5024, 5328, 5652, 5772, 5809, 6123, 7536, 7696, 8164, 8658, 10656, 11304, 11544, 11618, 12246, 15072, 15392, 16328, 17316, 17427, 18369, 22608, 23088, 23236, 24492, 32656, 34632, 34854, 36738, 45216, 46176, 46472, 48984, 52281, 65312, 69264, 69708, 73476, 75517, 92944, 97968, 104562, 138528, 139416, 146952, 151034, 185888, 195936, 209124, 226551, 278832, 293904, 302068, 418248, 453102, 557664, 587808, 604136, 679653, 836496, 906204, 1208272, 1359306, 1672992, 1812408, 2416544, 2718612, 3624816, 5437224, 7249632, 10874448, 21748896]

約数ペア:

[(1, 21748896), (2, 10874448), (3, 7249632), (4, 5437224), (6, 3624816), (8, 2718612), (9, 2416544), (12, 1812408), (13, 1672992), (16, 1359306), (18, 1208272), (24, 906204), (26, 836496), (32, 679653), (36, 604136), (37, 587808), (39, 557664), (48, 453102), (52, 418248), (72, 302068), (74, 293904), (78, 278832), (96, 226551), (104, 209124), (111, 195936), (117, 185888), (144, 151034), (148, 146952), (156, 139416), (157, 138528), (208, 104562), (222, 97968), (234, 92944), (288, 75517), (296, 73476), (312, 69708), (314, 69264), (333, 65312), (416, 52281), (444, 48984), (468, 46472), (471, 46176), (481, 45216), (592, 36738), (624, 34854), (628, 34632), (666, 32656), (888, 24492), (936, 23236), (942, 23088), (962, 22608), (1184, 18369), (1248, 17427), (1256, 17316), (1332, 16328), (1413, 15392), (1443, 15072), (1776, 12246), (1872, 11618), (1884, 11544), (1924, 11304), (2041, 10656), (2512, 8658), (2664, 8164), (2826, 7696), (2886, 7536), (3552, 6123), (3744, 5809), (3768, 5772), (3848, 5652), (4082, 5328), (4329, 5024)]