21236256

素因数分解:

$2^5\times 3^5\times {\mathrm{2731}}^1$

素因数の和:2756

約数の個数: 72

約数和(自身を含む): 62650224

約数和(自身を除く): 41413968

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, 864, 972, 1296, 1944, 2592, 2731, 3888, 5462, 7776, 8193, 10924, 16386, 21848, 24579, 32772, 43696, 49158, 65544, 73737, 87392, 98316, 131088, 147474, 196632, 221211, 262176, 294948, 393264, 442422, 589896, 663633, 786528, 884844, 1179792, 1327266, 1769688, 2359584, 2654532, 3539376, 5309064, 7078752, 10618128, 21236256]

約数ペア:

[(1, 21236256), (2, 10618128), (3, 7078752), (4, 5309064), (6, 3539376), (8, 2654532), (9, 2359584), (12, 1769688), (16, 1327266), (18, 1179792), (24, 884844), (27, 786528), (32, 663633), (36, 589896), (48, 442422), (54, 393264), (72, 294948), (81, 262176), (96, 221211), (108, 196632), (144, 147474), (162, 131088), (216, 98316), (243, 87392), (288, 73737), (324, 65544), (432, 49158), (486, 43696), (648, 32772), (864, 24579), (972, 21848), (1296, 16386), (1944, 10924), (2592, 8193), (2731, 7776), (3888, 5462)]