21543132

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{701}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 54486432

約数和(自身を除く): 32943300

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 197, 394, 591, 701, 788, 1182, 1402, 2103, 2364, 2561, 2804, 4206, 5122, 7683, 8412, 9113, 10244, 15366, 18226, 27339, 30732, 36452, 54678, 109356, 138097, 276194, 414291, 552388, 828582, 1657164, 1795261, 3590522, 5385783, 7181044, 10771566, 21543132]

約数ペア:

[(1, 21543132), (2, 10771566), (3, 7181044), (4, 5385783), (6, 3590522), (12, 1795261), (13, 1657164), (26, 828582), (39, 552388), (52, 414291), (78, 276194), (156, 138097), (197, 109356), (394, 54678), (591, 36452), (701, 30732), (788, 27339), (1182, 18226), (1402, 15366), (2103, 10244), (2364, 9113), (2561, 8412), (2804, 7683), (4206, 5122)]