21662388

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{4973}}^1$

素因数の和:5005

約数の個数: 54

約数和(自身を含む): 60200322

約数和(自身を除く): 38537934

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 726, 1089, 1452, 2178, 4356, 4973, 9946, 14919, 19892, 29838, 44757, 54703, 59676, 89514, 109406, 164109, 179028, 218812, 328218, 492327, 601733, 656436, 984654, 1203466, 1805199, 1969308, 2406932, 3610398, 5415597, 7220796, 10831194, 21662388]

約数ペア:

[(1, 21662388), (2, 10831194), (3, 7220796), (4, 5415597), (6, 3610398), (9, 2406932), (11, 1969308), (12, 1805199), (18, 1203466), (22, 984654), (33, 656436), (36, 601733), (44, 492327), (66, 328218), (99, 218812), (121, 179028), (132, 164109), (198, 109406), (242, 89514), (363, 59676), (396, 54703), (484, 44757), (726, 29838), (1089, 19892), (1452, 14919), (2178, 9946), (4356, 4973)]