21070778886

素因数分解:

$2^1\times 3^3\times {\mathrm{1097}}^1\times {\mathrm{355697}}^1$

素因数の和:356805

約数の個数: 32

約数和(自身を含む): 46866768480

約数和(自身を除く): 25795989594

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1097, 2194, 3291, 6582, 9873, 19746, 29619, 59238, 355697, 711394, 1067091, 2134182, 3201273, 6402546, 9603819, 19207638, 390199609, 780399218, 1170598827, 2341197654, 3511796481, 7023592962, 10535389443, 21070778886]

約数ペア:

[(1, 21070778886), (2, 10535389443), (3, 7023592962), (6, 3511796481), (9, 2341197654), (18, 1170598827), (27, 780399218), (54, 390199609), (1097, 19207638), (2194, 9603819), (3291, 6402546), (6582, 3201273), (9873, 2134182), (19746, 1067091), (29619, 711394), (59238, 355697)]