21896790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4649}}^1$

素因数の和:4816

約数の個数: 32

約数和(自身を含む): 52898400

約数和(自身を除く): 31001610

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4649, 4710, 9298, 13947, 23245, 27894, 46490, 69735, 139470, 729893, 1459786, 2189679, 3649465, 4379358, 7298930, 10948395, 21896790]

約数ペア:

[(1, 21896790), (2, 10948395), (3, 7298930), (5, 4379358), (6, 3649465), (10, 2189679), (15, 1459786), (30, 729893), (157, 139470), (314, 69735), (471, 46490), (785, 27894), (942, 23245), (1570, 13947), (2355, 9298), (4649, 4710)]