21000604825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{105253}}^1$

素因数の和:105633

約数の個数: 24

約数和(自身を含む): 27251523648

約数和(自身を除く): 6250918823

約数列:

[1, 5, 23, 25, 115, 347, 575, 1735, 7981, 8675, 39905, 105253, 199525, 526265, 2420819, 2631325, 12104095, 36522791, 60520475, 182613955, 840024193, 913069775, 4200120965, 21000604825]

約数ペア:

[(1, 21000604825), (5, 4200120965), (23, 913069775), (25, 840024193), (115, 182613955), (347, 60520475), (575, 36522791), (1735, 12104095), (7981, 2631325), (8675, 2420819), (39905, 526265), (105253, 199525)]