21276100

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1553}}^1$

素因数の和:1704

約数の個数: 36

約数和(自身を含む): 46536084

約数和(自身を除く): 25259984

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 274, 548, 685, 1370, 1553, 2740, 3106, 3425, 6212, 6850, 7765, 13700, 15530, 31060, 38825, 77650, 155300, 212761, 425522, 851044, 1063805, 2127610, 4255220, 5319025, 10638050, 21276100]

約数ペア:

[(1, 21276100), (2, 10638050), (4, 5319025), (5, 4255220), (10, 2127610), (20, 1063805), (25, 851044), (50, 425522), (100, 212761), (137, 155300), (274, 77650), (548, 38825), (685, 31060), (1370, 15530), (1553, 13700), (2740, 7765), (3106, 6850), (3425, 6212)]