21074097

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 34015680

約数和(自身を除く): 12941583

約数列:

[1, 3, 11, 19, 29, 33, 57, 61, 87, 183, 209, 319, 361, 551, 627, 671, 957, 1083, 1159, 1653, 1769, 2013, 3477, 3971, 5307, 6061, 10469, 11913, 12749, 18183, 19459, 22021, 31407, 33611, 38247, 58377, 66063, 100833, 115159, 242231, 345477, 369721, 638609, 726693, 1109163, 1915827, 7024699, 21074097]

約数ペア:

[(1, 21074097), (3, 7024699), (11, 1915827), (19, 1109163), (29, 726693), (33, 638609), (57, 369721), (61, 345477), (87, 242231), (183, 115159), (209, 100833), (319, 66063), (361, 58377), (551, 38247), (627, 33611), (671, 31407), (957, 22021), (1083, 19459), (1159, 18183), (1653, 12749), (1769, 11913), (2013, 10469), (3477, 6061), (3971, 5307)]