21954650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1175

約数の個数: 48

約数和(自身を含む): 45157824

約数和(自身を除く): 23203174

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 230, 391, 425, 575, 782, 850, 1123, 1150, 1955, 2246, 3910, 5615, 9775, 11230, 19091, 19550, 25829, 28075, 38182, 51658, 56150, 95455, 129145, 190910, 258290, 439093, 477275, 645725, 878186, 954550, 1291450, 2195465, 4390930, 10977325, 21954650]

約数ペア:

[(1, 21954650), (2, 10977325), (5, 4390930), (10, 2195465), (17, 1291450), (23, 954550), (25, 878186), (34, 645725), (46, 477275), (50, 439093), (85, 258290), (115, 190910), (170, 129145), (230, 95455), (391, 56150), (425, 51658), (575, 38182), (782, 28075), (850, 25829), (1123, 19550), (1150, 19091), (1955, 11230), (2246, 9775), (3910, 5615)]