21839940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121333}}^1$

素因数の和:121348

約数の個数: 36

約数和(自身を含む): 66248364

約数和(自身を除く): 44408424

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121333, 242666, 363999, 485332, 606665, 727998, 1091997, 1213330, 1455996, 1819995, 2183994, 2426660, 3639990, 4367988, 5459985, 7279980, 10919970, 21839940]

約数ペア:

[(1, 21839940), (2, 10919970), (3, 7279980), (4, 5459985), (5, 4367988), (6, 3639990), (9, 2426660), (10, 2183994), (12, 1819995), (15, 1455996), (18, 1213330), (20, 1091997), (30, 727998), (36, 606665), (45, 485332), (60, 363999), (90, 242666), (180, 121333)]