21321060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20903}}^1$

素因数の和:20932

約数の個数: 48

約数和(自身を含む): 63213696

約数和(自身を除く): 41892636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 20903, 41806, 62709, 83612, 104515, 125418, 209030, 250836, 313545, 355351, 418060, 627090, 710702, 1066053, 1254180, 1421404, 1776755, 2132106, 3553510, 4264212, 5330265, 7107020, 10660530, 21321060]

約数ペア:

[(1, 21321060), (2, 10660530), (3, 7107020), (4, 5330265), (5, 4264212), (6, 3553510), (10, 2132106), (12, 1776755), (15, 1421404), (17, 1254180), (20, 1066053), (30, 710702), (34, 627090), (51, 418060), (60, 355351), (68, 313545), (85, 250836), (102, 209030), (170, 125418), (204, 104515), (255, 83612), (340, 62709), (510, 41806), (1020, 20903)]