21975100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31393}}^1$

素因数の和:31414

約数の個数: 36

約数和(自身を含む): 54499984

約数和(自身を除く): 32524884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 31393, 62786, 125572, 156965, 219751, 313930, 439502, 627860, 784825, 879004, 1098755, 1569650, 2197510, 3139300, 4395020, 5493775, 10987550, 21975100]

約数ペア:

[(1, 21975100), (2, 10987550), (4, 5493775), (5, 4395020), (7, 3139300), (10, 2197510), (14, 1569650), (20, 1098755), (25, 879004), (28, 784825), (35, 627860), (50, 439502), (70, 313930), (100, 219751), (140, 156965), (175, 125572), (350, 62786), (700, 31393)]