21680950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1161

約数の個数: 48

約数和(自身を含む): 44595360

約数和(自身を除く): 22914410

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 230, 391, 425, 575, 782, 850, 1109, 1150, 1955, 2218, 3910, 5545, 9775, 11090, 18853, 19550, 25507, 27725, 37706, 51014, 55450, 94265, 127535, 188530, 255070, 433619, 471325, 637675, 867238, 942650, 1275350, 2168095, 4336190, 10840475, 21680950]

約数ペア:

[(1, 21680950), (2, 10840475), (5, 4336190), (10, 2168095), (17, 1275350), (23, 942650), (25, 867238), (34, 637675), (46, 471325), (50, 433619), (85, 255070), (115, 188530), (170, 127535), (230, 94265), (391, 55450), (425, 51014), (575, 37706), (782, 27725), (850, 25507), (1109, 19550), (1150, 18853), (1955, 11090), (2218, 9775), (3910, 5545)]