21871192

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7369}}^1$

素因数の和:7435

約数の個数: 32

約数和(自身を含む): 47757600

約数和(自身を除く): 25886408

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 7369, 14738, 29476, 51583, 58952, 103166, 206332, 390557, 412664, 781114, 1562228, 2733899, 3124456, 5467798, 10935596, 21871192]

約数ペア:

[(1, 21871192), (2, 10935596), (4, 5467798), (7, 3124456), (8, 2733899), (14, 1562228), (28, 781114), (53, 412664), (56, 390557), (106, 206332), (212, 103166), (371, 58952), (424, 51583), (742, 29476), (1484, 14738), (2968, 7369)]