21372702

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8839}}^1$

素因数の和:8888

約数の個数: 32

約数和(自身を含む): 47523840

約数和(自身を除く): 26151138

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8839, 17678, 26517, 53034, 114907, 229814, 274009, 344721, 548018, 689442, 822027, 1644054, 3562117, 7124234, 10686351, 21372702]

約数ペア:

[(1, 21372702), (2, 10686351), (3, 7124234), (6, 3562117), (13, 1644054), (26, 822027), (31, 689442), (39, 548018), (62, 344721), (78, 274009), (93, 229814), (186, 114907), (403, 53034), (806, 26517), (1209, 17678), (2418, 8839)]