21304980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118361}}^1$

素因数の和:118376

約数の個数: 36

約数和(自身を含む): 64625652

約数和(自身を除く): 43320672

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118361, 236722, 355083, 473444, 591805, 710166, 1065249, 1183610, 1420332, 1775415, 2130498, 2367220, 3550830, 4260996, 5326245, 7101660, 10652490, 21304980]

約数ペア:

[(1, 21304980), (2, 10652490), (3, 7101660), (4, 5326245), (5, 4260996), (6, 3550830), (9, 2367220), (10, 2130498), (12, 1775415), (15, 1420332), (18, 1183610), (20, 1065249), (30, 710166), (36, 591805), (45, 473444), (60, 355083), (90, 236722), (180, 118361)]