21853884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4519}}^1$

素因数の和:4570

約数の個数: 48

約数和(自身を含む): 56698880

約数和(自身を除く): 34844996

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4519, 4836, 9038, 13557, 18076, 27114, 54228, 58747, 117494, 140089, 176241, 234988, 280178, 352482, 420267, 560356, 704964, 840534, 1681068, 1821157, 3642314, 5463471, 7284628, 10926942, 21853884]

約数ペア:

[(1, 21853884), (2, 10926942), (3, 7284628), (4, 5463471), (6, 3642314), (12, 1821157), (13, 1681068), (26, 840534), (31, 704964), (39, 560356), (52, 420267), (62, 352482), (78, 280178), (93, 234988), (124, 176241), (156, 140089), (186, 117494), (372, 58747), (403, 54228), (806, 27114), (1209, 18076), (1612, 13557), (2418, 9038), (4519, 4836)]