21197550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:498

約数の個数: 96

約数和(自身を含む): 59460480

約数和(自身を除く): 38262930

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 29, 30, 33, 50, 55, 58, 66, 75, 87, 110, 145, 150, 165, 174, 275, 290, 319, 330, 435, 443, 550, 638, 725, 825, 870, 886, 957, 1329, 1450, 1595, 1650, 1914, 2175, 2215, 2658, 3190, 4350, 4430, 4785, 4873, 6645, 7975, 9570, 9746, 11075, 12847, 13290, 14619, 15950, 22150, 23925, 24365, 25694, 29238, 33225, 38541, 47850, 48730, 64235, 66450, 73095, 77082, 121825, 128470, 141317, 146190, 192705, 243650, 282634, 321175, 365475, 385410, 423951, 642350, 706585, 730950, 847902, 963525, 1413170, 1927050, 2119755, 3532925, 4239510, 7065850, 10598775, 21197550]

約数ペア:

[(1, 21197550), (2, 10598775), (3, 7065850), (5, 4239510), (6, 3532925), (10, 2119755), (11, 1927050), (15, 1413170), (22, 963525), (25, 847902), (29, 730950), (30, 706585), (33, 642350), (50, 423951), (55, 385410), (58, 365475), (66, 321175), (75, 282634), (87, 243650), (110, 192705), (145, 146190), (150, 141317), (165, 128470), (174, 121825), (275, 77082), (290, 73095), (319, 66450), (330, 64235), (435, 48730), (443, 47850), (550, 38541), (638, 33225), (725, 29238), (825, 25694), (870, 24365), (886, 23925), (957, 22150), (1329, 15950), (1450, 14619), (1595, 13290), (1650, 12847), (1914, 11075), (2175, 9746), (2215, 9570), (2658, 7975), (3190, 6645), (4350, 4873), (4430, 4785)]