21209392455

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{802019}}^1$

素因数の和:802111

約数の個数: 32

約数和(自身を含む): 35571191040

約数和(自身を除く): 14361798585

約数列:

[1, 3, 5, 15, 41, 43, 123, 129, 205, 215, 615, 645, 1763, 5289, 8815, 26445, 802019, 2406057, 4010095, 12030285, 32882779, 34486817, 98648337, 103460451, 164413895, 172434085, 493241685, 517302255, 1413959497, 4241878491, 7069797485, 21209392455]

約数ペア:

[(1, 21209392455), (3, 7069797485), (5, 4241878491), (15, 1413959497), (41, 517302255), (43, 493241685), (123, 172434085), (129, 164413895), (205, 103460451), (215, 98648337), (615, 34486817), (645, 32882779), (1763, 12030285), (5289, 4010095), (8815, 2406057), (26445, 802019)]