21909402

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:603

約数の個数: 48

約数和(自身を含む): 49581792

約数和(自身を除く): 27672390

約数列:

[1, 2, 3, 6, 9, 18, 37, 67, 74, 111, 134, 201, 222, 333, 402, 491, 603, 666, 982, 1206, 1473, 2479, 2946, 4419, 4958, 7437, 8838, 14874, 18167, 22311, 32897, 36334, 44622, 54501, 65794, 98691, 109002, 163503, 197382, 296073, 327006, 592146, 1217189, 2434378, 3651567, 7303134, 10954701, 21909402]

約数ペア:

[(1, 21909402), (2, 10954701), (3, 7303134), (6, 3651567), (9, 2434378), (18, 1217189), (37, 592146), (67, 327006), (74, 296073), (111, 197382), (134, 163503), (201, 109002), (222, 98691), (333, 65794), (402, 54501), (491, 44622), (603, 36334), (666, 32897), (982, 22311), (1206, 18167), (1473, 14874), (2479, 8838), (2946, 7437), (4419, 4958)]