21494925

素因数分解:

$3^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1151}}^1$

素因数の和:1250

約数の個数: 36

約数和(自身を含む): 38997504

約数和(自身を除く): 17502579

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 83, 225, 249, 415, 747, 1151, 1245, 2075, 3453, 3735, 5755, 6225, 10359, 17265, 18675, 28775, 51795, 86325, 95533, 258975, 286599, 477665, 859797, 1432995, 2388325, 4298985, 7164975, 21494925]

約数ペア:

[(1, 21494925), (3, 7164975), (5, 4298985), (9, 2388325), (15, 1432995), (25, 859797), (45, 477665), (75, 286599), (83, 258975), (225, 95533), (249, 86325), (415, 51795), (747, 28775), (1151, 18675), (1245, 17265), (2075, 10359), (3453, 6225), (3735, 5755)]