21541650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11047}}^1$

素因数の和:11075

約数の個数: 48

約数和(自身を含む): 57537984

約数和(自身を除く): 35996334

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 11047, 22094, 33141, 55235, 66282, 110470, 143611, 165705, 276175, 287222, 331410, 430833, 552350, 718055, 828525, 861666, 1436110, 1657050, 2154165, 3590275, 4308330, 7180550, 10770825, 21541650]

約数ペア:

[(1, 21541650), (2, 10770825), (3, 7180550), (5, 4308330), (6, 3590275), (10, 2154165), (13, 1657050), (15, 1436110), (25, 861666), (26, 828525), (30, 718055), (39, 552350), (50, 430833), (65, 331410), (75, 287222), (78, 276175), (130, 165705), (150, 143611), (195, 110470), (325, 66282), (390, 55235), (650, 33141), (975, 22094), (1950, 11047)]