21907000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1193

約数の個数: 64

約数和(自身を含む): 54007200

約数和(自身を除く): 32100200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1153, 1900, 2306, 2375, 3800, 4612, 4750, 5765, 9224, 9500, 11530, 19000, 21907, 23060, 28825, 43814, 46120, 57650, 87628, 109535, 115300, 144125, 175256, 219070, 230600, 288250, 438140, 547675, 576500, 876280, 1095350, 1153000, 2190700, 2738375, 4381400, 5476750, 10953500, 21907000]

約数ペア:

[(1, 21907000), (2, 10953500), (4, 5476750), (5, 4381400), (8, 2738375), (10, 2190700), (19, 1153000), (20, 1095350), (25, 876280), (38, 576500), (40, 547675), (50, 438140), (76, 288250), (95, 230600), (100, 219070), (125, 175256), (152, 144125), (190, 115300), (200, 109535), (250, 87628), (380, 57650), (475, 46120), (500, 43814), (760, 28825), (950, 23060), (1000, 21907), (1153, 19000), (1900, 11530), (2306, 9500), (2375, 9224), (3800, 5765), (4612, 4750)]