21783530

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1787}}^1$

素因数の和:1870

約数の個数: 32

約数和(自身を含む): 41710464

約数和(自身を除く): 19926934

約数列:

[1, 2, 5, 10, 23, 46, 53, 106, 115, 230, 265, 530, 1219, 1787, 2438, 3574, 6095, 8935, 12190, 17870, 41101, 82202, 94711, 189422, 205505, 411010, 473555, 947110, 2178353, 4356706, 10891765, 21783530]

約数ペア:

[(1, 21783530), (2, 10891765), (5, 4356706), (10, 2178353), (23, 947110), (46, 473555), (53, 411010), (106, 205505), (115, 189422), (230, 94711), (265, 82202), (530, 41101), (1219, 17870), (1787, 12190), (2438, 8935), (3574, 6095)]