21277728

素因数分解:

$2^5\times 3^4\times {\mathrm{8209}}^1$

素因数の和:8231

約数の個数: 60

約数和(自身を含む): 62584830

約数和(自身を除く): 41307102

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 8209, 16418, 24627, 32836, 49254, 65672, 73881, 98508, 131344, 147762, 197016, 221643, 262688, 295524, 394032, 443286, 591048, 664929, 788064, 886572, 1182096, 1329858, 1773144, 2364192, 2659716, 3546288, 5319432, 7092576, 10638864, 21277728]

約数ペア:

[(1, 21277728), (2, 10638864), (3, 7092576), (4, 5319432), (6, 3546288), (8, 2659716), (9, 2364192), (12, 1773144), (16, 1329858), (18, 1182096), (24, 886572), (27, 788064), (32, 664929), (36, 591048), (48, 443286), (54, 394032), (72, 295524), (81, 262688), (96, 221643), (108, 197016), (144, 147762), (162, 131344), (216, 98508), (288, 73881), (324, 65672), (432, 49254), (648, 32836), (864, 24627), (1296, 16418), (2592, 8209)]