21454272

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:355

約数の個数: 168

約数和(自身を含む): 74651616

約数和(自身を除く): 53197344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 64, 68, 72, 84, 96, 102, 112, 119, 126, 136, 144, 153, 168, 192, 204, 224, 238, 252, 272, 288, 306, 313, 336, 357, 408, 448, 476, 504, 544, 576, 612, 626, 672, 714, 816, 939, 952, 1008, 1071, 1088, 1224, 1252, 1344, 1428, 1632, 1878, 1904, 2016, 2142, 2191, 2448, 2504, 2817, 2856, 3264, 3756, 3808, 4032, 4284, 4382, 4896, 5008, 5321, 5634, 5712, 6573, 7512, 7616, 8568, 8764, 9792, 10016, 10642, 11268, 11424, 13146, 15024, 15963, 17136, 17528, 19719, 20032, 21284, 22536, 22848, 26292, 30048, 31926, 34272, 35056, 37247, 39438, 42568, 45072, 47889, 52584, 60096, 63852, 68544, 70112, 74494, 78876, 85136, 90144, 95778, 105168, 111741, 127704, 140224, 148988, 157752, 170272, 180288, 191556, 210336, 223482, 255408, 297976, 315504, 335223, 340544, 383112, 420672, 446964, 510816, 595952, 631008, 670446, 766224, 893928, 1021632, 1191904, 1262016, 1340892, 1532448, 1787856, 2383808, 2681784, 3064896, 3575712, 5363568, 7151424, 10727136, 21454272]

約数ペア:

[(1, 21454272), (2, 10727136), (3, 7151424), (4, 5363568), (6, 3575712), (7, 3064896), (8, 2681784), (9, 2383808), (12, 1787856), (14, 1532448), (16, 1340892), (17, 1262016), (18, 1191904), (21, 1021632), (24, 893928), (28, 766224), (32, 670446), (34, 631008), (36, 595952), (42, 510816), (48, 446964), (51, 420672), (56, 383112), (63, 340544), (64, 335223), (68, 315504), (72, 297976), (84, 255408), (96, 223482), (102, 210336), (112, 191556), (119, 180288), (126, 170272), (136, 157752), (144, 148988), (153, 140224), (168, 127704), (192, 111741), (204, 105168), (224, 95778), (238, 90144), (252, 85136), (272, 78876), (288, 74494), (306, 70112), (313, 68544), (336, 63852), (357, 60096), (408, 52584), (448, 47889), (476, 45072), (504, 42568), (544, 39438), (576, 37247), (612, 35056), (626, 34272), (672, 31926), (714, 30048), (816, 26292), (939, 22848), (952, 22536), (1008, 21284), (1071, 20032), (1088, 19719), (1224, 17528), (1252, 17136), (1344, 15963), (1428, 15024), (1632, 13146), (1878, 11424), (1904, 11268), (2016, 10642), (2142, 10016), (2191, 9792), (2448, 8764), (2504, 8568), (2817, 7616), (2856, 7512), (3264, 6573), (3756, 5712), (3808, 5634), (4032, 5321), (4284, 5008), (4382, 4896)]