21102100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12413}}^1$

素因数の和:12444

約数の個数: 36

約数和(自身を含む): 48489084

約数和(自身を除く): 27386984

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12413, 24826, 49652, 62065, 124130, 211021, 248260, 310325, 422042, 620650, 844084, 1055105, 1241300, 2110210, 4220420, 5275525, 10551050, 21102100]

約数ペア:

[(1, 21102100), (2, 10551050), (4, 5275525), (5, 4220420), (10, 2110210), (17, 1241300), (20, 1055105), (25, 844084), (34, 620650), (50, 422042), (68, 310325), (85, 248260), (100, 211021), (170, 124130), (340, 62065), (425, 49652), (850, 24826), (1700, 12413)]