21659680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 37780064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 83, 112, 140, 160, 166, 224, 233, 280, 332, 415, 466, 560, 581, 664, 830, 932, 1120, 1162, 1165, 1328, 1631, 1660, 1864, 2324, 2330, 2656, 2905, 3262, 3320, 3728, 4648, 4660, 5810, 6524, 6640, 7456, 8155, 9296, 9320, 11620, 13048, 13280, 16310, 18592, 18640, 19339, 23240, 26096, 32620, 37280, 38678, 46480, 52192, 65240, 77356, 92960, 96695, 130480, 135373, 154712, 193390, 260960, 270746, 309424, 386780, 541492, 618848, 676865, 773560, 1082984, 1353730, 1547120, 2165968, 2707460, 3094240, 4331936, 5414920, 10829840, 21659680]

約数ペア:

[(1, 21659680), (2, 10829840), (4, 5414920), (5, 4331936), (7, 3094240), (8, 2707460), (10, 2165968), (14, 1547120), (16, 1353730), (20, 1082984), (28, 773560), (32, 676865), (35, 618848), (40, 541492), (56, 386780), (70, 309424), (80, 270746), (83, 260960), (112, 193390), (140, 154712), (160, 135373), (166, 130480), (224, 96695), (233, 92960), (280, 77356), (332, 65240), (415, 52192), (466, 46480), (560, 38678), (581, 37280), (664, 32620), (830, 26096), (932, 23240), (1120, 19339), (1162, 18640), (1165, 18592), (1328, 16310), (1631, 13280), (1660, 13048), (1864, 11620), (2324, 9320), (2330, 9296), (2656, 8155), (2905, 7456), (3262, 6640), (3320, 6524), (3728, 5810), (4648, 4660)]