21278112

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^1\times {\mathrm{7643}}^1$

素因数の和:7685

約数の個数: 48

約数和(自身を含む): 57788640

約数和(自身を除く): 36510528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 87, 96, 116, 174, 232, 348, 464, 696, 928, 1392, 2784, 7643, 15286, 22929, 30572, 45858, 61144, 91716, 122288, 183432, 221647, 244576, 366864, 443294, 664941, 733728, 886588, 1329882, 1773176, 2659764, 3546352, 5319528, 7092704, 10639056, 21278112]

約数ペア:

[(1, 21278112), (2, 10639056), (3, 7092704), (4, 5319528), (6, 3546352), (8, 2659764), (12, 1773176), (16, 1329882), (24, 886588), (29, 733728), (32, 664941), (48, 443294), (58, 366864), (87, 244576), (96, 221647), (116, 183432), (174, 122288), (232, 91716), (348, 61144), (464, 45858), (696, 30572), (928, 22929), (1392, 15286), (2784, 7643)]