21516792

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 59184000

約数和(自身を除く): 37667208

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 149, 264, 298, 447, 547, 596, 894, 1094, 1192, 1639, 1641, 1788, 2188, 3278, 3282, 3576, 4376, 4917, 6017, 6556, 6564, 9834, 12034, 13112, 13128, 18051, 19668, 24068, 36102, 39336, 48136, 72204, 81503, 144408, 163006, 244509, 326012, 489018, 652024, 896533, 978036, 1793066, 1956072, 2689599, 3586132, 5379198, 7172264, 10758396, 21516792]

約数ペア:

[(1, 21516792), (2, 10758396), (3, 7172264), (4, 5379198), (6, 3586132), (8, 2689599), (11, 1956072), (12, 1793066), (22, 978036), (24, 896533), (33, 652024), (44, 489018), (66, 326012), (88, 244509), (132, 163006), (149, 144408), (264, 81503), (298, 72204), (447, 48136), (547, 39336), (596, 36102), (894, 24068), (1094, 19668), (1192, 18051), (1639, 13128), (1641, 13112), (1788, 12034), (2188, 9834), (3278, 6564), (3282, 6556), (3576, 6017), (4376, 4917)]