21724254

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 50561280

約数和(自身を除く): 28837026

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 83, 111, 131, 166, 222, 249, 262, 333, 393, 498, 666, 747, 786, 999, 1179, 1494, 1998, 2241, 2358, 3071, 3537, 4482, 4847, 6142, 7074, 9213, 9694, 10873, 14541, 18426, 21746, 27639, 29082, 32619, 43623, 55278, 65238, 82917, 87246, 97857, 130869, 165834, 195714, 261738, 293571, 402301, 587142, 804602, 1206903, 2413806, 3620709, 7241418, 10862127, 21724254]

約数ペア:

[(1, 21724254), (2, 10862127), (3, 7241418), (6, 3620709), (9, 2413806), (18, 1206903), (27, 804602), (37, 587142), (54, 402301), (74, 293571), (83, 261738), (111, 195714), (131, 165834), (166, 130869), (222, 97857), (249, 87246), (262, 82917), (333, 65238), (393, 55278), (498, 43623), (666, 32619), (747, 29082), (786, 27639), (999, 21746), (1179, 18426), (1494, 14541), (1998, 10873), (2241, 9694), (2358, 9213), (3071, 7074), (3537, 6142), (4482, 4847)]