21891408

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5923}}^1$

素因数の和:5952

約数の個数: 80

約数和(自身を含む): 70519296

約数和(自身を除く): 48627888

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 176, 231, 264, 308, 336, 462, 528, 616, 924, 1232, 1848, 3696, 5923, 11846, 17769, 23692, 35538, 41461, 47384, 65153, 71076, 82922, 94768, 124383, 130306, 142152, 165844, 195459, 248766, 260612, 284304, 331688, 390918, 456071, 497532, 521224, 663376, 781836, 912142, 995064, 1042448, 1368213, 1563672, 1824284, 1990128, 2736426, 3127344, 3648568, 5472852, 7297136, 10945704, 21891408]

約数ペア:

[(1, 21891408), (2, 10945704), (3, 7297136), (4, 5472852), (6, 3648568), (7, 3127344), (8, 2736426), (11, 1990128), (12, 1824284), (14, 1563672), (16, 1368213), (21, 1042448), (22, 995064), (24, 912142), (28, 781836), (33, 663376), (42, 521224), (44, 497532), (48, 456071), (56, 390918), (66, 331688), (77, 284304), (84, 260612), (88, 248766), (112, 195459), (132, 165844), (154, 142152), (168, 130306), (176, 124383), (231, 94768), (264, 82922), (308, 71076), (336, 65153), (462, 47384), (528, 41461), (616, 35538), (924, 23692), (1232, 17769), (1848, 11846), (3696, 5923)]