21371924

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{761}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 46085760

約数和(自身を除く): 24713836

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 59, 68, 118, 119, 236, 238, 413, 476, 761, 826, 1003, 1522, 1652, 2006, 3044, 4012, 5327, 7021, 10654, 12937, 14042, 21308, 25874, 28084, 44899, 51748, 89798, 90559, 179596, 181118, 314293, 362236, 628586, 763283, 1257172, 1526566, 3053132, 5342981, 10685962, 21371924]

約数ペア:

[(1, 21371924), (2, 10685962), (4, 5342981), (7, 3053132), (14, 1526566), (17, 1257172), (28, 763283), (34, 628586), (59, 362236), (68, 314293), (118, 181118), (119, 179596), (236, 90559), (238, 89798), (413, 51748), (476, 44899), (761, 28084), (826, 25874), (1003, 21308), (1522, 14042), (1652, 12937), (2006, 10654), (3044, 7021), (4012, 5327)]