21870816

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 41633184

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 139, 149, 176, 264, 278, 298, 352, 417, 447, 528, 556, 596, 834, 894, 1056, 1112, 1192, 1529, 1639, 1668, 1788, 2224, 2384, 3058, 3278, 3336, 3576, 4448, 4587, 4768, 4917, 6116, 6556, 6672, 7152, 9174, 9834, 12232, 13112, 13344, 14304, 18348, 19668, 20711, 24464, 26224, 36696, 39336, 41422, 48928, 52448, 62133, 73392, 78672, 82844, 124266, 146784, 157344, 165688, 227821, 248532, 331376, 455642, 497064, 662752, 683463, 911284, 994128, 1366926, 1822568, 1988256, 2733852, 3645136, 5467704, 7290272, 10935408, 21870816]

約数ペア:

[(1, 21870816), (2, 10935408), (3, 7290272), (4, 5467704), (6, 3645136), (8, 2733852), (11, 1988256), (12, 1822568), (16, 1366926), (22, 994128), (24, 911284), (32, 683463), (33, 662752), (44, 497064), (48, 455642), (66, 331376), (88, 248532), (96, 227821), (132, 165688), (139, 157344), (149, 146784), (176, 124266), (264, 82844), (278, 78672), (298, 73392), (352, 62133), (417, 52448), (447, 48928), (528, 41422), (556, 39336), (596, 36696), (834, 26224), (894, 24464), (1056, 20711), (1112, 19668), (1192, 18348), (1529, 14304), (1639, 13344), (1668, 13112), (1788, 12232), (2224, 9834), (2384, 9174), (3058, 7152), (3278, 6672), (3336, 6556), (3576, 6116), (4448, 4917), (4587, 4768)]