2021119984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{511417}}^1$

素因数の和:511457

約数の個数: 40

約数和(自身を含む): 4439108240

約数和(自身を除く): 2417988256

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 511417, 1022834, 2045668, 4091336, 6648421, 8182672, 9716923, 13296842, 19433846, 26593684, 38867692, 53187368, 77735384, 106374736, 126319999, 155470768, 252639998, 505279996, 1010559992, 2021119984]

約数ペア:

[(1, 2021119984), (2, 1010559992), (4, 505279996), (8, 252639998), (13, 155470768), (16, 126319999), (19, 106374736), (26, 77735384), (38, 53187368), (52, 38867692), (76, 26593684), (104, 19433846), (152, 13296842), (208, 9716923), (247, 8182672), (304, 6648421), (494, 4091336), (988, 2045668), (1976, 1022834), (3952, 511417)]