21774276

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 57657600

約数和(自身を除く): 35883324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 109, 124, 179, 186, 218, 279, 327, 358, 372, 436, 537, 558, 654, 716, 981, 1074, 1116, 1308, 1611, 1962, 2148, 3222, 3379, 3924, 5549, 6444, 6758, 10137, 11098, 13516, 16647, 19511, 20274, 22196, 30411, 33294, 39022, 40548, 49941, 58533, 60822, 66588, 78044, 99882, 117066, 121644, 175599, 199764, 234132, 351198, 604841, 702396, 1209682, 1814523, 2419364, 3629046, 5443569, 7258092, 10887138, 21774276]

約数ペア:

[(1, 21774276), (2, 10887138), (3, 7258092), (4, 5443569), (6, 3629046), (9, 2419364), (12, 1814523), (18, 1209682), (31, 702396), (36, 604841), (62, 351198), (93, 234132), (109, 199764), (124, 175599), (179, 121644), (186, 117066), (218, 99882), (279, 78044), (327, 66588), (358, 60822), (372, 58533), (436, 49941), (537, 40548), (558, 39022), (654, 33294), (716, 30411), (981, 22196), (1074, 20274), (1116, 19511), (1308, 16647), (1611, 13516), (1962, 11098), (2148, 10137), (3222, 6758), (3379, 6444), (3924, 5549)]