21861456

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 60781824

約数和(自身を除く): 38920368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 73, 102, 136, 146, 204, 219, 272, 292, 367, 408, 438, 584, 734, 816, 876, 1101, 1168, 1241, 1468, 1752, 2202, 2482, 2936, 3504, 3723, 4404, 4964, 5872, 6239, 7446, 8808, 9928, 12478, 14892, 17616, 18717, 19856, 24956, 26791, 29784, 37434, 49912, 53582, 59568, 74868, 80373, 99824, 107164, 149736, 160746, 214328, 299472, 321492, 428656, 455447, 642984, 910894, 1285968, 1366341, 1821788, 2732682, 3643576, 5465364, 7287152, 10930728, 21861456]

約数ペア:

[(1, 21861456), (2, 10930728), (3, 7287152), (4, 5465364), (6, 3643576), (8, 2732682), (12, 1821788), (16, 1366341), (17, 1285968), (24, 910894), (34, 642984), (48, 455447), (51, 428656), (68, 321492), (73, 299472), (102, 214328), (136, 160746), (146, 149736), (204, 107164), (219, 99824), (272, 80373), (292, 74868), (367, 59568), (408, 53582), (438, 49912), (584, 37434), (734, 29784), (816, 26791), (876, 24956), (1101, 19856), (1168, 18717), (1241, 17616), (1468, 14892), (1752, 12478), (2202, 9928), (2482, 8808), (2936, 7446), (3504, 6239), (3723, 5872), (4404, 4964)]