21305184

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{7159}}^1$

素因数の和:7203

約数の個数: 48

約数和(自身を含む): 57738240

約数和(自身を除く): 36433056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 372, 496, 744, 992, 1488, 2976, 7159, 14318, 21477, 28636, 42954, 57272, 85908, 114544, 171816, 221929, 229088, 343632, 443858, 665787, 687264, 887716, 1331574, 1775432, 2663148, 3550864, 5326296, 7101728, 10652592, 21305184]

約数ペア:

[(1, 21305184), (2, 10652592), (3, 7101728), (4, 5326296), (6, 3550864), (8, 2663148), (12, 1775432), (16, 1331574), (24, 887716), (31, 687264), (32, 665787), (48, 443858), (62, 343632), (93, 229088), (96, 221929), (124, 171816), (186, 114544), (248, 85908), (372, 57272), (496, 42954), (744, 28636), (992, 21477), (1488, 14318), (2976, 7159)]