21154284

素因数分解:

$2^2\times 3^4\times {\mathrm{109}}^1\times {\mathrm{599}}^1$

素因数の和:724

約数の個数: 60

約数和(自身を含む): 55902000

約数和(自身を除く): 34747716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 109, 162, 218, 324, 327, 436, 599, 654, 981, 1198, 1308, 1797, 1962, 2396, 2943, 3594, 3924, 5391, 5886, 7188, 8829, 10782, 11772, 16173, 17658, 21564, 32346, 35316, 48519, 64692, 65291, 97038, 130582, 194076, 195873, 261164, 391746, 587619, 783492, 1175238, 1762857, 2350476, 3525714, 5288571, 7051428, 10577142, 21154284]

約数ペア:

[(1, 21154284), (2, 10577142), (3, 7051428), (4, 5288571), (6, 3525714), (9, 2350476), (12, 1762857), (18, 1175238), (27, 783492), (36, 587619), (54, 391746), (81, 261164), (108, 195873), (109, 194076), (162, 130582), (218, 97038), (324, 65291), (327, 64692), (436, 48519), (599, 35316), (654, 32346), (981, 21564), (1198, 17658), (1308, 16173), (1797, 11772), (1962, 10782), (2396, 8829), (2943, 7188), (3594, 5886), (3924, 5391)]