21381338760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{9661}}^1\times {\mathrm{18443}}^1$

素因数の和:28118

約数の個数: 64

約数和(自身を含む): 64154134080

約数和(自身を除く): 42772795320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 9661, 18443, 19322, 28983, 36886, 38644, 48305, 55329, 57966, 73772, 77288, 92215, 96610, 110658, 115932, 144915, 147544, 184430, 193220, 221316, 231864, 276645, 289830, 368860, 386440, 442632, 553290, 579660, 737720, 1106580, 1159320, 2213160, 178177823, 356355646, 534533469, 712711292, 890889115, 1069066938, 1425422584, 1781778230, 2138133876, 2672667345, 3563556460, 4276267752, 5345334690, 7127112920, 10690669380, 21381338760]

約数ペア:

[(1, 21381338760), (2, 10690669380), (3, 7127112920), (4, 5345334690), (5, 4276267752), (6, 3563556460), (8, 2672667345), (10, 2138133876), (12, 1781778230), (15, 1425422584), (20, 1069066938), (24, 890889115), (30, 712711292), (40, 534533469), (60, 356355646), (120, 178177823), (9661, 2213160), (18443, 1159320), (19322, 1106580), (28983, 737720), (36886, 579660), (38644, 553290), (48305, 442632), (55329, 386440), (57966, 368860), (73772, 289830), (77288, 276645), (92215, 231864), (96610, 221316), (110658, 193220), (115932, 184430), (144915, 147544)]