21892941

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 39087360

約数和(自身を除く): 17194419

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 161, 203, 207, 261, 483, 521, 609, 667, 1449, 1563, 1827, 2001, 3647, 4669, 4689, 6003, 10941, 11983, 14007, 15109, 32823, 35949, 42021, 45327, 83881, 105763, 107847, 135981, 251643, 317289, 347507, 754929, 951867, 1042521, 2432549, 3127563, 7297647, 21892941]

約数ペア:

[(1, 21892941), (3, 7297647), (7, 3127563), (9, 2432549), (21, 1042521), (23, 951867), (29, 754929), (63, 347507), (69, 317289), (87, 251643), (161, 135981), (203, 107847), (207, 105763), (261, 83881), (483, 45327), (521, 42021), (609, 35949), (667, 32823), (1449, 15109), (1563, 14007), (1827, 11983), (2001, 10941), (3647, 6003), (4669, 4689)]