21000359562

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{63997}}^1$

素因数の和:64623

約数の個数: 64

約数和(自身を含む): 51780013824

約数和(自身を除く): 30779654262

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 601, 1202, 1803, 3606, 4207, 7813, 8414, 12621, 15626, 23439, 25242, 46878, 54691, 63997, 109382, 127994, 164073, 191991, 328146, 383982, 447979, 831961, 895958, 1343937, 1663922, 2495883, 2687874, 4991766, 5823727, 11647454, 17471181, 34942362, 38462197, 76924394, 115386591, 230773182, 269235379, 500008561, 538470758, 807706137, 1000017122, 1500025683, 1615412274, 3000051366, 3500059927, 7000119854, 10500179781, 21000359562]

約数ペア:

[(1, 21000359562), (2, 10500179781), (3, 7000119854), (6, 3500059927), (7, 3000051366), (13, 1615412274), (14, 1500025683), (21, 1000017122), (26, 807706137), (39, 538470758), (42, 500008561), (78, 269235379), (91, 230773182), (182, 115386591), (273, 76924394), (546, 38462197), (601, 34942362), (1202, 17471181), (1803, 11647454), (3606, 5823727), (4207, 4991766), (7813, 2687874), (8414, 2495883), (12621, 1663922), (15626, 1343937), (23439, 895958), (25242, 831961), (46878, 447979), (54691, 383982), (63997, 328146), (109382, 191991), (127994, 164073)]