21675732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 37030188

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 71, 76, 78, 103, 114, 142, 156, 206, 213, 228, 247, 284, 309, 412, 426, 494, 618, 741, 852, 923, 988, 1236, 1339, 1349, 1482, 1846, 1957, 2678, 2698, 2769, 2964, 3692, 3914, 4017, 4047, 5356, 5396, 5538, 5871, 7313, 7828, 8034, 8094, 11076, 11742, 14626, 16068, 16188, 17537, 21939, 23484, 25441, 29252, 35074, 43878, 50882, 52611, 70148, 76323, 87756, 95069, 101764, 105222, 138947, 152646, 190138, 210444, 277894, 285207, 305292, 380276, 416841, 555788, 570414, 833682, 1140828, 1667364, 1806311, 3612622, 5418933, 7225244, 10837866, 21675732]

約数ペア:

[(1, 21675732), (2, 10837866), (3, 7225244), (4, 5418933), (6, 3612622), (12, 1806311), (13, 1667364), (19, 1140828), (26, 833682), (38, 570414), (39, 555788), (52, 416841), (57, 380276), (71, 305292), (76, 285207), (78, 277894), (103, 210444), (114, 190138), (142, 152646), (156, 138947), (206, 105222), (213, 101764), (228, 95069), (247, 87756), (284, 76323), (309, 70148), (412, 52611), (426, 50882), (494, 43878), (618, 35074), (741, 29252), (852, 25441), (923, 23484), (988, 21939), (1236, 17537), (1339, 16188), (1349, 16068), (1482, 14626), (1846, 11742), (1957, 11076), (2678, 8094), (2698, 8034), (2769, 7828), (2964, 7313), (3692, 5871), (3914, 5538), (4017, 5396), (4047, 5356)]