21203856

素因数分解:

$2^4\times 3^4\times {\mathrm{16361}}^1$

素因数の和:16381

約数の個数: 50

約数和(自身を含む): 61373862

約数和(自身を除く): 40170006

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 16361, 32722, 49083, 65444, 98166, 130888, 147249, 196332, 261776, 294498, 392664, 441747, 588996, 785328, 883494, 1177992, 1325241, 1766988, 2355984, 2650482, 3533976, 5300964, 7067952, 10601928, 21203856]

約数ペア:

[(1, 21203856), (2, 10601928), (3, 7067952), (4, 5300964), (6, 3533976), (8, 2650482), (9, 2355984), (12, 1766988), (16, 1325241), (18, 1177992), (24, 883494), (27, 785328), (36, 588996), (48, 441747), (54, 392664), (72, 294498), (81, 261776), (108, 196332), (144, 147249), (162, 130888), (216, 98166), (324, 65444), (432, 49083), (648, 32722), (1296, 16361)]