21000565698

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{58943}}^1$

素因数の和:59471

約数の個数: 64

約数和(自身を含む): 50927616000

約数和(自身を除く): 29927050302

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 499, 714, 998, 1497, 2994, 3493, 6986, 8483, 10479, 16966, 20958, 25449, 50898, 58943, 59381, 117886, 118762, 176829, 178143, 353658, 356286, 412601, 825202, 1002031, 1237803, 2004062, 2475606, 3006093, 6012186, 7014217, 14028434, 21042651, 29412557, 42085302, 58825114, 88237671, 176475342, 205887899, 411775798, 500013469, 617663697, 1000026938, 1235327394, 1500040407, 3000080814, 3500094283, 7000188566, 10500282849, 21000565698]

約数ペア:

[(1, 21000565698), (2, 10500282849), (3, 7000188566), (6, 3500094283), (7, 3000080814), (14, 1500040407), (17, 1235327394), (21, 1000026938), (34, 617663697), (42, 500013469), (51, 411775798), (102, 205887899), (119, 176475342), (238, 88237671), (357, 58825114), (499, 42085302), (714, 29412557), (998, 21042651), (1497, 14028434), (2994, 7014217), (3493, 6012186), (6986, 3006093), (8483, 2475606), (10479, 2004062), (16966, 1237803), (20958, 1002031), (25449, 825202), (50898, 412601), (58943, 356286), (59381, 353658), (117886, 178143), (118762, 176829)]