21761750

素因数分解:

$2^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 41434848

約数和(自身を除く): 19673098

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 125, 250, 305, 610, 1427, 1525, 2854, 3050, 7135, 7625, 14270, 15250, 35675, 71350, 87047, 174094, 178375, 356750, 435235, 870470, 2176175, 4352350, 10880875, 21761750]

約数ペア:

[(1, 21761750), (2, 10880875), (5, 4352350), (10, 2176175), (25, 870470), (50, 435235), (61, 356750), (122, 178375), (125, 174094), (250, 87047), (305, 71350), (610, 35675), (1427, 15250), (1525, 14270), (2854, 7625), (3050, 7135)]