21027250

素因数分解:

$2^1\times 5^3\times {\mathrm{241}}^1\times {\mathrm{349}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 39639600

約数和(自身を除く): 18612350

約数列:

[1, 2, 5, 10, 25, 50, 125, 241, 250, 349, 482, 698, 1205, 1745, 2410, 3490, 6025, 8725, 12050, 17450, 30125, 43625, 60250, 84109, 87250, 168218, 420545, 841090, 2102725, 4205450, 10513625, 21027250]

約数ペア:

[(1, 21027250), (2, 10513625), (5, 4205450), (10, 2102725), (25, 841090), (50, 420545), (125, 168218), (241, 87250), (250, 84109), (349, 60250), (482, 43625), (698, 30125), (1205, 17450), (1745, 12050), (2410, 8725), (3490, 6025)]