21418956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{45767}}^1$

素因数の和:45790

約数の個数: 36

約数和(自身を含む): 58308432

約数和(自身を除く): 36889476

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 45767, 91534, 137301, 183068, 274602, 411903, 549204, 594971, 823806, 1189942, 1647612, 1784913, 2379884, 3569826, 5354739, 7139652, 10709478, 21418956]

約数ペア:

[(1, 21418956), (2, 10709478), (3, 7139652), (4, 5354739), (6, 3569826), (9, 2379884), (12, 1784913), (13, 1647612), (18, 1189942), (26, 823806), (36, 594971), (39, 549204), (52, 411903), (78, 274602), (117, 183068), (156, 137301), (234, 91534), (468, 45767)]