21478488

素因数分解:

$2^3\times 3^1\times {\mathrm{727}}^1\times {\mathrm{1231}}^1$

素因数の和:1967

約数の個数: 32

約数和(自身を含む): 53813760

約数和(自身を除く): 32335272

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 727, 1231, 1454, 2181, 2462, 2908, 3693, 4362, 4924, 5816, 7386, 8724, 9848, 14772, 17448, 29544, 894937, 1789874, 2684811, 3579748, 5369622, 7159496, 10739244, 21478488]

約数ペア:

[(1, 21478488), (2, 10739244), (3, 7159496), (4, 5369622), (6, 3579748), (8, 2684811), (12, 1789874), (24, 894937), (727, 29544), (1231, 17448), (1454, 14772), (2181, 9848), (2462, 8724), (2908, 7386), (3693, 5816), (4362, 4924)]