21930584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{487}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 44476320

約数和(自身を除く): 22545736

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 433, 487, 866, 974, 1732, 1948, 3464, 3896, 5629, 6331, 11258, 12662, 22516, 25324, 45032, 50648, 210871, 421742, 843484, 1686968, 2741323, 5482646, 10965292, 21930584]

約数ペア:

[(1, 21930584), (2, 10965292), (4, 5482646), (8, 2741323), (13, 1686968), (26, 843484), (52, 421742), (104, 210871), (433, 50648), (487, 45032), (866, 25324), (974, 22516), (1732, 12662), (1948, 11258), (3464, 6331), (3896, 5629)]