21045184

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2$

素因数の和:110

約数の個数: 84

約数和(自身を含む): 47786544

約数和(自身を除く): 26741360

約数列:

[1, 2, 4, 8, 16, 17, 23, 29, 32, 34, 46, 58, 64, 68, 92, 116, 136, 184, 232, 272, 368, 391, 464, 493, 544, 667, 736, 782, 841, 928, 986, 1088, 1334, 1472, 1564, 1682, 1856, 1972, 2668, 3128, 3364, 3944, 5336, 6256, 6728, 7888, 10672, 11339, 12512, 13456, 14297, 15776, 19343, 21344, 22678, 25024, 26912, 28594, 31552, 38686, 42688, 45356, 53824, 57188, 77372, 90712, 114376, 154744, 181424, 228752, 309488, 328831, 362848, 457504, 618976, 657662, 725696, 915008, 1237952, 1315324, 2630648, 5261296, 10522592, 21045184]

約数ペア:

[(1, 21045184), (2, 10522592), (4, 5261296), (8, 2630648), (16, 1315324), (17, 1237952), (23, 915008), (29, 725696), (32, 657662), (34, 618976), (46, 457504), (58, 362848), (64, 328831), (68, 309488), (92, 228752), (116, 181424), (136, 154744), (184, 114376), (232, 90712), (272, 77372), (368, 57188), (391, 53824), (464, 45356), (493, 42688), (544, 38686), (667, 31552), (736, 28594), (782, 26912), (841, 25024), (928, 22678), (986, 21344), (1088, 19343), (1334, 15776), (1472, 14297), (1564, 13456), (1682, 12512), (1856, 11339), (1972, 10672), (2668, 7888), (3128, 6728), (3364, 6256), (3944, 5336)]