21251808

素因数分解:

$2^5\times 3^6\times {\mathrm{911}}^1$

素因数の和:939

約数の個数: 84

約数和(自身を含む): 62799408

約数和(自身を除く): 41547600

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, 243, 288, 324, 432, 486, 648, 729, 864, 911, 972, 1296, 1458, 1822, 1944, 2592, 2733, 2916, 3644, 3888, 5466, 5832, 7288, 7776, 8199, 10932, 11664, 14576, 16398, 21864, 23328, 24597, 29152, 32796, 43728, 49194, 65592, 73791, 87456, 98388, 131184, 147582, 196776, 221373, 262368, 295164, 393552, 442746, 590328, 664119, 787104, 885492, 1180656, 1328238, 1770984, 2361312, 2656476, 3541968, 5312952, 7083936, 10625904, 21251808]

約数ペア:

[(1, 21251808), (2, 10625904), (3, 7083936), (4, 5312952), (6, 3541968), (8, 2656476), (9, 2361312), (12, 1770984), (16, 1328238), (18, 1180656), (24, 885492), (27, 787104), (32, 664119), (36, 590328), (48, 442746), (54, 393552), (72, 295164), (81, 262368), (96, 221373), (108, 196776), (144, 147582), (162, 131184), (216, 98388), (243, 87456), (288, 73791), (324, 65592), (432, 49194), (486, 43728), (648, 32796), (729, 29152), (864, 24597), (911, 23328), (972, 21864), (1296, 16398), (1458, 14576), (1822, 11664), (1944, 10932), (2592, 8199), (2733, 7776), (2916, 7288), (3644, 5832), (3888, 5466)]