21940600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9973}}^1$

素因数の和:10000

約数の個数: 48

約数和(自身を含む): 55654920

約数和(自身を除く): 33714320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9973, 19946, 39892, 49865, 79784, 99730, 109703, 199460, 219406, 249325, 398920, 438812, 498650, 548515, 877624, 997300, 1097030, 1994600, 2194060, 2742575, 4388120, 5485150, 10970300, 21940600]

約数ペア:

[(1, 21940600), (2, 10970300), (4, 5485150), (5, 4388120), (8, 2742575), (10, 2194060), (11, 1994600), (20, 1097030), (22, 997300), (25, 877624), (40, 548515), (44, 498650), (50, 438812), (55, 398920), (88, 249325), (100, 219406), (110, 199460), (200, 109703), (220, 99730), (275, 79784), (440, 49865), (550, 39892), (1100, 19946), (2200, 9973)]