21646450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2689}}^1$

素因数の和:2731

約数の個数: 48

約数和(自身を含む): 48032640

約数和(自身を除く): 26386190

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 322, 350, 575, 805, 1150, 1610, 2689, 4025, 5378, 8050, 13445, 18823, 26890, 37646, 61847, 67225, 94115, 123694, 134450, 188230, 309235, 432929, 470575, 618470, 865858, 941150, 1546175, 2164645, 3092350, 4329290, 10823225, 21646450]

約数ペア:

[(1, 21646450), (2, 10823225), (5, 4329290), (7, 3092350), (10, 2164645), (14, 1546175), (23, 941150), (25, 865858), (35, 618470), (46, 470575), (50, 432929), (70, 309235), (115, 188230), (161, 134450), (175, 123694), (230, 94115), (322, 67225), (350, 61847), (575, 37646), (805, 26890), (1150, 18823), (1610, 13445), (2689, 8050), (4025, 5378)]