21557490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15289}}^1$

素因数の和:15346

約数の個数: 32

約数和(自身を含む): 52842240

約数和(自身を除く): 31284750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 15289, 30578, 45867, 76445, 91734, 152890, 229335, 458670, 718583, 1437166, 2155749, 3592915, 4311498, 7185830, 10778745, 21557490]

約数ペア:

[(1, 21557490), (2, 10778745), (3, 7185830), (5, 4311498), (6, 3592915), (10, 2155749), (15, 1437166), (30, 718583), (47, 458670), (94, 229335), (141, 152890), (235, 91734), (282, 76445), (470, 45867), (705, 30578), (1410, 15289)]