21541831520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{719981}}^1$

素因数の和:720024

約数の個数: 96

約数和(自身を含む): 58785090336

約数和(自身を除く): 37243258816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 680, 748, 880, 935, 1360, 1496, 1760, 1870, 2720, 2992, 3740, 5984, 7480, 14960, 29920, 719981, 1439962, 2879924, 3599905, 5759848, 7199810, 7919791, 11519696, 12239677, 14399620, 15839582, 23039392, 24479354, 28799240, 31679164, 39598955, 48958708, 57598480, 61198385, 63358328, 79197910, 97917416, 115196960, 122396770, 126716656, 134636447, 158395820, 195834832, 244793540, 253433312, 269272894, 316791640, 391669664, 489587080, 538545788, 633583280, 673182235, 979174160, 1077091576, 1267166560, 1346364470, 1958348320, 2154183152, 2692728940, 4308366304, 5385457880, 10770915760, 21541831520]

約数ペア:

[(1, 21541831520), (2, 10770915760), (4, 5385457880), (5, 4308366304), (8, 2692728940), (10, 2154183152), (11, 1958348320), (16, 1346364470), (17, 1267166560), (20, 1077091576), (22, 979174160), (32, 673182235), (34, 633583280), (40, 538545788), (44, 489587080), (55, 391669664), (68, 316791640), (80, 269272894), (85, 253433312), (88, 244793540), (110, 195834832), (136, 158395820), (160, 134636447), (170, 126716656), (176, 122396770), (187, 115196960), (220, 97917416), (272, 79197910), (340, 63358328), (352, 61198385), (374, 57598480), (440, 48958708), (544, 39598955), (680, 31679164), (748, 28799240), (880, 24479354), (935, 23039392), (1360, 15839582), (1496, 14399620), (1760, 12239677), (1870, 11519696), (2720, 7919791), (2992, 7199810), (3740, 5759848), (5984, 3599905), (7480, 2879924), (14960, 1439962), (29920, 719981)]