21863037

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1303}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 36052992

約数和(自身を除く): 14189955

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 987, 1303, 2397, 3909, 5593, 9121, 16779, 22151, 27363, 61241, 66453, 155057, 183723, 428687, 465171, 1041097, 1286061, 3123291, 7287679, 21863037]

約数ペア:

[(1, 21863037), (3, 7287679), (7, 3123291), (17, 1286061), (21, 1041097), (47, 465171), (51, 428687), (119, 183723), (141, 155057), (329, 66453), (357, 61241), (799, 27363), (987, 22151), (1303, 16779), (2397, 9121), (3909, 5593)]