21093996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:679

約数の個数: 96

約数和(自身を含む): 63124992

約数和(自身を除く): 42030996

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 37, 42, 44, 66, 74, 77, 84, 111, 132, 148, 154, 222, 231, 259, 308, 407, 444, 462, 518, 617, 777, 814, 924, 1036, 1221, 1234, 1554, 1628, 1851, 2442, 2468, 2849, 3108, 3702, 4319, 4884, 5698, 6787, 7404, 8547, 8638, 11396, 12957, 13574, 17094, 17276, 20361, 22829, 25914, 27148, 34188, 40722, 45658, 47509, 51828, 68487, 81444, 91316, 95018, 136974, 142527, 159803, 190036, 251119, 273948, 285054, 319606, 479409, 502238, 570108, 639212, 753357, 958818, 1004476, 1506714, 1757833, 1917636, 3013428, 3515666, 5273499, 7031332, 10546998, 21093996]

約数ペア:

[(1, 21093996), (2, 10546998), (3, 7031332), (4, 5273499), (6, 3515666), (7, 3013428), (11, 1917636), (12, 1757833), (14, 1506714), (21, 1004476), (22, 958818), (28, 753357), (33, 639212), (37, 570108), (42, 502238), (44, 479409), (66, 319606), (74, 285054), (77, 273948), (84, 251119), (111, 190036), (132, 159803), (148, 142527), (154, 136974), (222, 95018), (231, 91316), (259, 81444), (308, 68487), (407, 51828), (444, 47509), (462, 45658), (518, 40722), (617, 34188), (777, 27148), (814, 25914), (924, 22829), (1036, 20361), (1221, 17276), (1234, 17094), (1554, 13574), (1628, 12957), (1851, 11396), (2442, 8638), (2468, 8547), (2849, 7404), (3108, 6787), (3702, 5698), (4319, 4884)]