21705192

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 128

約数和(自身を含む): 66873600

約数和(自身を除く): 45168408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 23, 24, 27, 34, 36, 46, 51, 54, 68, 69, 72, 92, 102, 108, 136, 138, 153, 184, 204, 207, 216, 257, 276, 306, 391, 408, 414, 459, 514, 552, 612, 621, 771, 782, 828, 918, 1028, 1173, 1224, 1242, 1542, 1564, 1656, 1836, 2056, 2313, 2346, 2484, 3084, 3128, 3519, 3672, 4369, 4626, 4692, 4968, 5911, 6168, 6939, 7038, 8738, 9252, 9384, 10557, 11822, 13107, 13878, 14076, 17476, 17733, 18504, 21114, 23644, 26214, 27756, 28152, 34952, 35466, 39321, 42228, 47288, 52428, 53199, 55512, 70932, 78642, 84456, 100487, 104856, 106398, 117963, 141864, 157284, 159597, 200974, 212796, 235926, 301461, 314568, 319194, 401948, 425592, 471852, 602922, 638388, 803896, 904383, 943704, 1205844, 1276776, 1808766, 2411688, 2713149, 3617532, 5426298, 7235064, 10852596, 21705192]

約数ペア:

[(1, 21705192), (2, 10852596), (3, 7235064), (4, 5426298), (6, 3617532), (8, 2713149), (9, 2411688), (12, 1808766), (17, 1276776), (18, 1205844), (23, 943704), (24, 904383), (27, 803896), (34, 638388), (36, 602922), (46, 471852), (51, 425592), (54, 401948), (68, 319194), (69, 314568), (72, 301461), (92, 235926), (102, 212796), (108, 200974), (136, 159597), (138, 157284), (153, 141864), (184, 117963), (204, 106398), (207, 104856), (216, 100487), (257, 84456), (276, 78642), (306, 70932), (391, 55512), (408, 53199), (414, 52428), (459, 47288), (514, 42228), (552, 39321), (612, 35466), (621, 34952), (771, 28152), (782, 27756), (828, 26214), (918, 23644), (1028, 21114), (1173, 18504), (1224, 17733), (1242, 17476), (1542, 14076), (1564, 13878), (1656, 13107), (1836, 11822), (2056, 10557), (2313, 9384), (2346, 9252), (2484, 8738), (3084, 7038), (3128, 6939), (3519, 6168), (3672, 5911), (4369, 4968), (4626, 4692)]