21839816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2711}}^1$

素因数の和:2789

約数の個数: 32

約数和(自身を含む): 43934400

約数和(自身を除く): 22094584

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 424, 1007, 2014, 2711, 4028, 5422, 8056, 10844, 21688, 51509, 103018, 143683, 206036, 287366, 412072, 574732, 1149464, 2729977, 5459954, 10919908, 21839816]

約数ペア:

[(1, 21839816), (2, 10919908), (4, 5459954), (8, 2729977), (19, 1149464), (38, 574732), (53, 412072), (76, 287366), (106, 206036), (152, 143683), (212, 103018), (424, 51509), (1007, 21688), (2014, 10844), (2711, 8056), (4028, 5422)]