21163128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5477}}^1$

素因数の和:5516

約数の個数: 64

約数和(自身を含む): 63106560

約数和(自身を除く): 41943432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 276, 322, 483, 552, 644, 966, 1288, 1932, 3864, 5477, 10954, 16431, 21908, 32862, 38339, 43816, 65724, 76678, 115017, 125971, 131448, 153356, 230034, 251942, 306712, 377913, 460068, 503884, 755826, 881797, 920136, 1007768, 1511652, 1763594, 2645391, 3023304, 3527188, 5290782, 7054376, 10581564, 21163128]

約数ペア:

[(1, 21163128), (2, 10581564), (3, 7054376), (4, 5290782), (6, 3527188), (7, 3023304), (8, 2645391), (12, 1763594), (14, 1511652), (21, 1007768), (23, 920136), (24, 881797), (28, 755826), (42, 503884), (46, 460068), (56, 377913), (69, 306712), (84, 251942), (92, 230034), (138, 153356), (161, 131448), (168, 125971), (184, 115017), (276, 76678), (322, 65724), (483, 43816), (552, 38339), (644, 32862), (966, 21908), (1288, 16431), (1932, 10954), (3864, 5477)]