21064032

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 67026960

約数和(自身を除く): 45962928

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 61, 66, 72, 88, 96, 99, 109, 122, 132, 144, 176, 183, 198, 218, 244, 264, 288, 327, 352, 366, 396, 436, 488, 528, 549, 654, 671, 732, 792, 872, 976, 981, 1056, 1098, 1199, 1308, 1342, 1464, 1584, 1744, 1952, 1962, 2013, 2196, 2398, 2616, 2684, 2928, 3168, 3488, 3597, 3924, 4026, 4392, 4796, 5232, 5368, 5856, 6039, 6649, 7194, 7848, 8052, 8784, 9592, 10464, 10736, 10791, 12078, 13298, 14388, 15696, 16104, 17568, 19184, 19947, 21472, 21582, 24156, 26596, 28776, 31392, 32208, 38368, 39894, 43164, 48312, 53192, 57552, 59841, 64416, 73139, 79788, 86328, 96624, 106384, 115104, 119682, 146278, 159576, 172656, 193248, 212768, 219417, 239364, 292556, 319152, 345312, 438834, 478728, 585112, 638304, 658251, 877668, 957456, 1170224, 1316502, 1755336, 1914912, 2340448, 2633004, 3510672, 5266008, 7021344, 10532016, 21064032]

約数ペア:

[(1, 21064032), (2, 10532016), (3, 7021344), (4, 5266008), (6, 3510672), (8, 2633004), (9, 2340448), (11, 1914912), (12, 1755336), (16, 1316502), (18, 1170224), (22, 957456), (24, 877668), (32, 658251), (33, 638304), (36, 585112), (44, 478728), (48, 438834), (61, 345312), (66, 319152), (72, 292556), (88, 239364), (96, 219417), (99, 212768), (109, 193248), (122, 172656), (132, 159576), (144, 146278), (176, 119682), (183, 115104), (198, 106384), (218, 96624), (244, 86328), (264, 79788), (288, 73139), (327, 64416), (352, 59841), (366, 57552), (396, 53192), (436, 48312), (488, 43164), (528, 39894), (549, 38368), (654, 32208), (671, 31392), (732, 28776), (792, 26596), (872, 24156), (976, 21582), (981, 21472), (1056, 19947), (1098, 19184), (1199, 17568), (1308, 16104), (1342, 15696), (1464, 14388), (1584, 13298), (1744, 12078), (1952, 10791), (1962, 10736), (2013, 10464), (2196, 9592), (2398, 8784), (2616, 8052), (2684, 7848), (2928, 7194), (3168, 6649), (3488, 6039), (3597, 5856), (3924, 5368), (4026, 5232), (4392, 4796)]