21993123040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1155101}}^1$

素因数の和:1155140

約数の個数: 96

約数和(自身を含む): 62874512064

約数和(自身を除く): 40881389024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 1120, 1190, 1360, 1904, 2380, 2720, 3808, 4760, 9520, 19040, 1155101, 2310202, 4620404, 5775505, 8085707, 9240808, 11551010, 16171414, 18481616, 19636717, 23102020, 32342828, 36963232, 39273434, 40428535, 46204040, 64685656, 78546868, 80857070, 92408080, 98183585, 129371312, 137457019, 157093736, 161714140, 184816160, 196367170, 258742624, 274914038, 314187472, 323428280, 392734340, 549828076, 628374944, 646856560, 687285095, 785468680, 1099656152, 1293713120, 1374570190, 1570937360, 2199312304, 2749140380, 3141874720, 4398624608, 5498280760, 10996561520, 21993123040]

約数ペア:

[(1, 21993123040), (2, 10996561520), (4, 5498280760), (5, 4398624608), (7, 3141874720), (8, 2749140380), (10, 2199312304), (14, 1570937360), (16, 1374570190), (17, 1293713120), (20, 1099656152), (28, 785468680), (32, 687285095), (34, 646856560), (35, 628374944), (40, 549828076), (56, 392734340), (68, 323428280), (70, 314187472), (80, 274914038), (85, 258742624), (112, 196367170), (119, 184816160), (136, 161714140), (140, 157093736), (160, 137457019), (170, 129371312), (224, 98183585), (238, 92408080), (272, 80857070), (280, 78546868), (340, 64685656), (476, 46204040), (544, 40428535), (560, 39273434), (595, 36963232), (680, 32342828), (952, 23102020), (1120, 19636717), (1190, 18481616), (1360, 16171414), (1904, 11551010), (2380, 9240808), (2720, 8085707), (3808, 5775505), (4760, 4620404), (9520, 2310202), (19040, 1155101)]