21930500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1907}}^1$

素因数の和:1949

約数の個数: 48

約数和(自身を含む): 50004864

約数和(自身を除く): 28074364

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 1150, 1907, 2300, 2875, 3814, 5750, 7628, 9535, 11500, 19070, 38140, 43861, 47675, 87722, 95350, 175444, 190700, 219305, 238375, 438610, 476750, 877220, 953500, 1096525, 2193050, 4386100, 5482625, 10965250, 21930500]

約数ペア:

[(1, 21930500), (2, 10965250), (4, 5482625), (5, 4386100), (10, 2193050), (20, 1096525), (23, 953500), (25, 877220), (46, 476750), (50, 438610), (92, 238375), (100, 219305), (115, 190700), (125, 175444), (230, 95350), (250, 87722), (460, 47675), (500, 43861), (575, 38140), (1150, 19070), (1907, 11500), (2300, 9535), (2875, 7628), (3814, 5750)]