21071304

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 61183200

約数和(自身を除く): 40111896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 73, 76, 114, 146, 152, 171, 211, 219, 228, 292, 342, 422, 438, 456, 584, 633, 657, 684, 844, 876, 1266, 1314, 1368, 1387, 1688, 1752, 1899, 2532, 2628, 2774, 3798, 4009, 4161, 5064, 5256, 5548, 7596, 8018, 8322, 11096, 12027, 12483, 15192, 15403, 16036, 16644, 24054, 24966, 30806, 32072, 33288, 36081, 46209, 48108, 49932, 61612, 72162, 92418, 96216, 99864, 123224, 138627, 144324, 184836, 277254, 288648, 292657, 369672, 554508, 585314, 877971, 1109016, 1170628, 1755942, 2341256, 2633913, 3511884, 5267826, 7023768, 10535652, 21071304]

約数ペア:

[(1, 21071304), (2, 10535652), (3, 7023768), (4, 5267826), (6, 3511884), (8, 2633913), (9, 2341256), (12, 1755942), (18, 1170628), (19, 1109016), (24, 877971), (36, 585314), (38, 554508), (57, 369672), (72, 292657), (73, 288648), (76, 277254), (114, 184836), (146, 144324), (152, 138627), (171, 123224), (211, 99864), (219, 96216), (228, 92418), (292, 72162), (342, 61612), (422, 49932), (438, 48108), (456, 46209), (584, 36081), (633, 33288), (657, 32072), (684, 30806), (844, 24966), (876, 24054), (1266, 16644), (1314, 16036), (1368, 15403), (1387, 15192), (1688, 12483), (1752, 12027), (1899, 11096), (2532, 8322), (2628, 8018), (2774, 7596), (3798, 5548), (4009, 5256), (4161, 5064)]