21230616

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{587}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 58423680

約数和(自身を除く): 37193064

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 137, 264, 274, 411, 548, 587, 822, 1096, 1174, 1507, 1644, 1761, 2348, 3014, 3288, 3522, 4521, 4696, 6028, 6457, 7044, 9042, 12056, 12914, 14088, 18084, 19371, 25828, 36168, 38742, 51656, 77484, 80419, 154968, 160838, 241257, 321676, 482514, 643352, 884609, 965028, 1769218, 1930056, 2653827, 3538436, 5307654, 7076872, 10615308, 21230616]

約数ペア:

[(1, 21230616), (2, 10615308), (3, 7076872), (4, 5307654), (6, 3538436), (8, 2653827), (11, 1930056), (12, 1769218), (22, 965028), (24, 884609), (33, 643352), (44, 482514), (66, 321676), (88, 241257), (132, 160838), (137, 154968), (264, 80419), (274, 77484), (411, 51656), (548, 38742), (587, 36168), (822, 25828), (1096, 19371), (1174, 18084), (1507, 14088), (1644, 12914), (1761, 12056), (2348, 9042), (3014, 7044), (3288, 6457), (3522, 6028), (4521, 4696)]