21798315

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 49061376

約数和(自身を除く): 27263061

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 81, 99, 105, 135, 165, 189, 231, 233, 243, 297, 315, 385, 405, 495, 567, 693, 699, 891, 945, 1155, 1165, 1215, 1485, 1631, 1701, 2079, 2097, 2563, 2673, 2835, 3465, 3495, 4455, 4893, 6237, 6291, 7689, 8155, 8505, 10395, 10485, 12815, 13365, 14679, 17941, 18711, 18873, 23067, 24465, 31185, 31455, 38445, 44037, 53823, 56619, 69201, 73395, 89705, 93555, 94365, 115335, 132111, 161469, 207603, 220185, 269115, 283095, 346005, 396333, 484407, 622809, 660555, 807345, 1038015, 1453221, 1981665, 2422035, 3114045, 4359663, 7266105, 21798315]

約数ペア:

[(1, 21798315), (3, 7266105), (5, 4359663), (7, 3114045), (9, 2422035), (11, 1981665), (15, 1453221), (21, 1038015), (27, 807345), (33, 660555), (35, 622809), (45, 484407), (55, 396333), (63, 346005), (77, 283095), (81, 269115), (99, 220185), (105, 207603), (135, 161469), (165, 132111), (189, 115335), (231, 94365), (233, 93555), (243, 89705), (297, 73395), (315, 69201), (385, 56619), (405, 53823), (495, 44037), (567, 38445), (693, 31455), (699, 31185), (891, 24465), (945, 23067), (1155, 18873), (1165, 18711), (1215, 17941), (1485, 14679), (1631, 13365), (1701, 12815), (2079, 10485), (2097, 10395), (2563, 8505), (2673, 8155), (2835, 7689), (3465, 6291), (3495, 6237), (4455, 4893)]