21190410

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26161}}^1$

素因数の和:26180

約数の個数: 40

約数和(自身を含む): 56980836

約数和(自身を除く): 35790426

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26161, 52322, 78483, 130805, 156966, 235449, 261610, 392415, 470898, 706347, 784830, 1177245, 1412694, 2119041, 2354490, 3531735, 4238082, 7063470, 10595205, 21190410]

約数ペア:

[(1, 21190410), (2, 10595205), (3, 7063470), (5, 4238082), (6, 3531735), (9, 2354490), (10, 2119041), (15, 1412694), (18, 1177245), (27, 784830), (30, 706347), (45, 470898), (54, 392415), (81, 261610), (90, 235449), (135, 156966), (162, 130805), (270, 78483), (405, 52322), (810, 26161)]