21776150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 72

約数和(自身を含む): 47280456

約数和(自身を除く): 25504306

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 137, 170, 187, 274, 275, 289, 374, 425, 550, 578, 685, 850, 935, 1370, 1445, 1507, 1870, 2329, 2890, 3014, 3179, 3425, 4658, 4675, 6358, 6850, 7225, 7535, 9350, 11645, 14450, 15070, 15895, 23290, 25619, 31790, 37675, 39593, 51238, 58225, 75350, 79186, 79475, 116450, 128095, 158950, 197965, 256190, 395930, 435523, 640475, 871046, 989825, 1280950, 1979650, 2177615, 4355230, 10888075, 21776150]

約数ペア:

[(1, 21776150), (2, 10888075), (5, 4355230), (10, 2177615), (11, 1979650), (17, 1280950), (22, 989825), (25, 871046), (34, 640475), (50, 435523), (55, 395930), (85, 256190), (110, 197965), (137, 158950), (170, 128095), (187, 116450), (274, 79475), (275, 79186), (289, 75350), (374, 58225), (425, 51238), (550, 39593), (578, 37675), (685, 31790), (850, 25619), (935, 23290), (1370, 15895), (1445, 15070), (1507, 14450), (1870, 11645), (2329, 9350), (2890, 7535), (3014, 7225), (3179, 6850), (3425, 6358), (4658, 4675)]