21546998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 15708682

約数列:

[1, 2, 11, 22, 23, 46, 97, 194, 253, 439, 506, 878, 1067, 2134, 2231, 4462, 4829, 9658, 10097, 20194, 24541, 42583, 49082, 85166, 111067, 222134, 468413, 936826, 979409, 1958818, 10773499, 21546998]

約数ペア:

[(1, 21546998), (2, 10773499), (11, 1958818), (22, 979409), (23, 936826), (46, 468413), (97, 222134), (194, 111067), (253, 85166), (439, 49082), (506, 42583), (878, 24541), (1067, 20194), (2134, 10097), (2231, 9658), (4462, 4829)]