21229776

素因数分解:

$2^4\times 3^4\times {\mathrm{16381}}^1$

素因数の和:16401

約数の個数: 50

約数和(自身を含む): 61448882

約数和(自身を除く): 40219106

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, 16381, 32762, 49143, 65524, 98286, 131048, 147429, 196572, 262096, 294858, 393144, 442287, 589716, 786288, 884574, 1179432, 1326861, 1769148, 2358864, 2653722, 3538296, 5307444, 7076592, 10614888, 21229776]

約数ペア:

[(1, 21229776), (2, 10614888), (3, 7076592), (4, 5307444), (6, 3538296), (8, 2653722), (9, 2358864), (12, 1769148), (16, 1326861), (18, 1179432), (24, 884574), (27, 786288), (36, 589716), (48, 442287), (54, 393144), (72, 294858), (81, 262096), (108, 196572), (144, 147429), (162, 131048), (216, 98286), (324, 65524), (432, 49143), (648, 32762), (1296, 16381)]