21443450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 45961344

約数和(自身を除く): 24517894

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 197, 311, 350, 394, 622, 985, 1379, 1555, 1970, 2177, 2758, 3110, 4354, 4925, 6895, 7775, 9850, 10885, 13790, 15550, 21770, 34475, 54425, 61267, 68950, 108850, 122534, 306335, 428869, 612670, 857738, 1531675, 2144345, 3063350, 4288690, 10721725, 21443450]

約数ペア:

[(1, 21443450), (2, 10721725), (5, 4288690), (7, 3063350), (10, 2144345), (14, 1531675), (25, 857738), (35, 612670), (50, 428869), (70, 306335), (175, 122534), (197, 108850), (311, 68950), (350, 61267), (394, 54425), (622, 34475), (985, 21770), (1379, 15550), (1555, 13790), (1970, 10885), (2177, 9850), (2758, 7775), (3110, 6895), (4354, 4925)]