21599880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179999}}^1$

素因数の和:180013

約数の個数: 32

約数和(自身を含む): 64800000

約数和(自身を除く): 43200120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179999, 359998, 539997, 719996, 899995, 1079994, 1439992, 1799990, 2159988, 2699985, 3599980, 4319976, 5399970, 7199960, 10799940, 21599880]

約数ペア:

[(1, 21599880), (2, 10799940), (3, 7199960), (4, 5399970), (5, 4319976), (6, 3599980), (8, 2699985), (10, 2159988), (12, 1799990), (15, 1439992), (20, 1079994), (24, 899995), (30, 719996), (40, 539997), (60, 359998), (120, 179999)]