21948444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{347}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 63842688

約数和(自身を除く): 41894244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 251, 252, 347, 502, 694, 753, 1004, 1041, 1388, 1506, 1757, 2082, 2259, 2429, 3012, 3123, 3514, 4164, 4518, 4858, 5271, 6246, 7028, 7287, 9036, 9716, 10542, 12492, 14574, 15813, 21084, 21861, 29148, 31626, 43722, 63252, 87097, 87444, 174194, 261291, 348388, 522582, 609679, 783873, 1045164, 1219358, 1567746, 1829037, 2438716, 3135492, 3658074, 5487111, 7316148, 10974222, 21948444]

約数ペア:

[(1, 21948444), (2, 10974222), (3, 7316148), (4, 5487111), (6, 3658074), (7, 3135492), (9, 2438716), (12, 1829037), (14, 1567746), (18, 1219358), (21, 1045164), (28, 783873), (36, 609679), (42, 522582), (63, 348388), (84, 261291), (126, 174194), (251, 87444), (252, 87097), (347, 63252), (502, 43722), (694, 31626), (753, 29148), (1004, 21861), (1041, 21084), (1388, 15813), (1506, 14574), (1757, 12492), (2082, 10542), (2259, 9716), (2429, 9036), (3012, 7287), (3123, 7028), (3514, 6246), (4164, 5271), (4518, 4858)]