21872193

素因数分解:

$3^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{1733}}^1$

素因数の和:2344

約数の個数: 16

約数和(自身を含む): 33403776

約数和(自身を除く): 11531583

約数列:

[1, 3, 7, 21, 601, 1733, 1803, 4207, 5199, 12131, 12621, 36393, 1041533, 3124599, 7290731, 21872193]

約数ペア:

[(1, 21872193), (3, 7290731), (7, 3124599), (21, 1041533), (601, 36393), (1733, 12621), (1803, 12131), (4207, 5199)]