21886100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{11519}}^1$

素因数の和:11552

約数の個数: 36

約数和(自身を含む): 49996800

約数和(自身を除く): 28110700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 11519, 23038, 46076, 57595, 115190, 218861, 230380, 287975, 437722, 575950, 875444, 1094305, 1151900, 2188610, 4377220, 5471525, 10943050, 21886100]

約数ペア:

[(1, 21886100), (2, 10943050), (4, 5471525), (5, 4377220), (10, 2188610), (19, 1151900), (20, 1094305), (25, 875444), (38, 575950), (50, 437722), (76, 287975), (95, 230380), (100, 218861), (190, 115190), (380, 57595), (475, 46076), (950, 23038), (1900, 11519)]