21838300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19853}}^1$

素因数の和:19878

約数の個数: 36

約数和(自身を含む): 51699816

約数和(自身を除く): 29861516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19853, 39706, 79412, 99265, 198530, 218383, 397060, 436766, 496325, 873532, 992650, 1091915, 1985300, 2183830, 4367660, 5459575, 10919150, 21838300]

約数ペア:

[(1, 21838300), (2, 10919150), (4, 5459575), (5, 4367660), (10, 2183830), (11, 1985300), (20, 1091915), (22, 992650), (25, 873532), (44, 496325), (50, 436766), (55, 397060), (100, 218383), (110, 198530), (220, 99265), (275, 79412), (550, 39706), (1100, 19853)]