21224916

素因数分解:

$2^2\times 3^4\times {\mathrm{109}}^1\times {\mathrm{601}}^1$

素因数の和:726

約数の個数: 60

約数和(自身を含む): 56088340

約数和(自身を除く): 34863424

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 109, 162, 218, 324, 327, 436, 601, 654, 981, 1202, 1308, 1803, 1962, 2404, 2943, 3606, 3924, 5409, 5886, 7212, 8829, 10818, 11772, 16227, 17658, 21636, 32454, 35316, 48681, 64908, 65509, 97362, 131018, 194724, 196527, 262036, 393054, 589581, 786108, 1179162, 1768743, 2358324, 3537486, 5306229, 7074972, 10612458, 21224916]

約数ペア:

[(1, 21224916), (2, 10612458), (3, 7074972), (4, 5306229), (6, 3537486), (9, 2358324), (12, 1768743), (18, 1179162), (27, 786108), (36, 589581), (54, 393054), (81, 262036), (108, 196527), (109, 194724), (162, 131018), (218, 97362), (324, 65509), (327, 64908), (436, 48681), (601, 35316), (654, 32454), (981, 21636), (1202, 17658), (1308, 16227), (1803, 11772), (1962, 10818), (2404, 8829), (2943, 7212), (3606, 5886), (3924, 5409)]