21478110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6691}}^1$

素因数の和:6808

約数の個数: 32

約数和(自身を含む): 52036992

約数和(自身を除く): 30558882

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 6691, 13382, 20073, 33455, 40146, 66910, 100365, 200730, 715937, 1431874, 2147811, 3579685, 4295622, 7159370, 10739055, 21478110]

約数ペア:

[(1, 21478110), (2, 10739055), (3, 7159370), (5, 4295622), (6, 3579685), (10, 2147811), (15, 1431874), (30, 715937), (107, 200730), (214, 100365), (321, 66910), (535, 40146), (642, 33455), (1070, 20073), (1605, 13382), (3210, 6691)]