21778146

素因数分解:

$2^1\times 3^7\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 52899840

約数和(自身を除く): 31121694

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 383, 486, 702, 729, 766, 1053, 1149, 1458, 2106, 2187, 2298, 3159, 3447, 4374, 4979, 6318, 6894, 9477, 9958, 10341, 14937, 18954, 20682, 28431, 29874, 31023, 44811, 56862, 62046, 89622, 93069, 134433, 186138, 268866, 279207, 403299, 558414, 806598, 837621, 1209897, 1675242, 2419794, 3629691, 7259382, 10889073, 21778146]

約数ペア:

[(1, 21778146), (2, 10889073), (3, 7259382), (6, 3629691), (9, 2419794), (13, 1675242), (18, 1209897), (26, 837621), (27, 806598), (39, 558414), (54, 403299), (78, 279207), (81, 268866), (117, 186138), (162, 134433), (234, 93069), (243, 89622), (351, 62046), (383, 56862), (486, 44811), (702, 31023), (729, 29874), (766, 28431), (1053, 20682), (1149, 18954), (1458, 14937), (2106, 10341), (2187, 9958), (2298, 9477), (3159, 6894), (3447, 6318), (4374, 4979)]