21998568

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{6997}}^1$

素因数の和:7137

約数の個数: 32

約数和(自身を含む): 55424160

約数和(自身を除く): 33425592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 262, 393, 524, 786, 1048, 1572, 3144, 6997, 13994, 20991, 27988, 41982, 55976, 83964, 167928, 916607, 1833214, 2749821, 3666428, 5499642, 7332856, 10999284, 21998568]

約数ペア:

[(1, 21998568), (2, 10999284), (3, 7332856), (4, 5499642), (6, 3666428), (8, 2749821), (12, 1833214), (24, 916607), (131, 167928), (262, 83964), (393, 55976), (524, 41982), (786, 27988), (1048, 20991), (1572, 13994), (3144, 6997)]