21574670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2477}}^1$

素因数の和:2564

約数の個数: 32

約数和(自身を含む): 42463008

約数和(自身を除く): 20888338

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 2477, 4355, 4954, 8710, 12385, 24770, 32201, 64402, 161005, 165959, 322010, 331918, 829795, 1659590, 2157467, 4314934, 10787335, 21574670]

約数ペア:

[(1, 21574670), (2, 10787335), (5, 4314934), (10, 2157467), (13, 1659590), (26, 829795), (65, 331918), (67, 322010), (130, 165959), (134, 161005), (335, 64402), (670, 32201), (871, 24770), (1742, 12385), (2477, 8710), (4355, 4954)]