21006401328

素因数分解:

$2^4\times 3^5\times {\mathrm{11}}^1\times {\mathrm{491171}}^1$

素因数の和:491205

約数の個数: 120

約数和(自身を含む): 66508618176

約数和(自身を除く): 45502216848

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 132, 144, 162, 176, 198, 216, 243, 264, 297, 324, 396, 432, 486, 528, 594, 648, 792, 891, 972, 1188, 1296, 1584, 1782, 1944, 2376, 2673, 3564, 3888, 4752, 5346, 7128, 10692, 14256, 21384, 42768, 491171, 982342, 1473513, 1964684, 2947026, 3929368, 4420539, 5402881, 5894052, 7858736, 8841078, 10805762, 11788104, 13261617, 16208643, 17682156, 21611524, 23576208, 26523234, 32417286, 35364312, 39784851, 43223048, 48625929, 53046468, 64834572, 70728624, 79569702, 86446096, 97251858, 106092936, 119354553, 129669144, 145877787, 159139404, 194503716, 212185872, 238709106, 259338288, 291755574, 318278808, 389007432, 437633361, 477418212, 583511148, 636557616, 778014864, 875266722, 954836424, 1167022296, 1312900083, 1750533444, 1909672848, 2334044592, 2625800166, 3501066888, 5251600332, 7002133776, 10503200664, 21006401328]

約数ペア:

[(1, 21006401328), (2, 10503200664), (3, 7002133776), (4, 5251600332), (6, 3501066888), (8, 2625800166), (9, 2334044592), (11, 1909672848), (12, 1750533444), (16, 1312900083), (18, 1167022296), (22, 954836424), (24, 875266722), (27, 778014864), (33, 636557616), (36, 583511148), (44, 477418212), (48, 437633361), (54, 389007432), (66, 318278808), (72, 291755574), (81, 259338288), (88, 238709106), (99, 212185872), (108, 194503716), (132, 159139404), (144, 145877787), (162, 129669144), (176, 119354553), (198, 106092936), (216, 97251858), (243, 86446096), (264, 79569702), (297, 70728624), (324, 64834572), (396, 53046468), (432, 48625929), (486, 43223048), (528, 39784851), (594, 35364312), (648, 32417286), (792, 26523234), (891, 23576208), (972, 21611524), (1188, 17682156), (1296, 16208643), (1584, 13261617), (1782, 11788104), (1944, 10805762), (2376, 8841078), (2673, 7858736), (3564, 5894052), (3888, 5402881), (4752, 4420539), (5346, 3929368), (7128, 2947026), (10692, 1964684), (14256, 1473513), (21384, 982342), (42768, 491171)]