21417858

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:150

約数の個数: 160

約数和(自身を含む): 63980928

約数和(自身を除く): 42563070

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 17, 18, 21, 22, 27, 33, 34, 42, 51, 54, 63, 66, 77, 81, 99, 101, 102, 119, 126, 153, 154, 162, 187, 189, 198, 202, 231, 238, 297, 303, 306, 357, 374, 378, 459, 462, 561, 567, 594, 606, 693, 707, 714, 891, 909, 918, 1071, 1111, 1122, 1134, 1309, 1377, 1386, 1414, 1683, 1717, 1782, 1818, 2079, 2121, 2142, 2222, 2618, 2727, 2754, 3213, 3333, 3366, 3434, 3927, 4158, 4242, 5049, 5151, 5454, 6237, 6363, 6426, 6666, 7777, 7854, 8181, 9639, 9999, 10098, 10302, 11781, 12019, 12474, 12726, 15147, 15453, 15554, 16362, 18887, 19089, 19278, 19998, 23331, 23562, 24038, 29997, 30294, 30906, 35343, 36057, 37774, 38178, 46359, 46662, 56661, 57267, 59994, 69993, 70686, 72114, 89991, 92718, 106029, 108171, 113322, 114534, 132209, 139077, 139986, 169983, 179982, 209979, 212058, 216342, 264418, 278154, 324513, 339966, 396627, 419958, 509949, 629937, 649026, 793254, 973539, 1019898, 1189881, 1259874, 1529847, 1947078, 2379762, 3059694, 3569643, 7139286, 10708929, 21417858]

約数ペア:

[(1, 21417858), (2, 10708929), (3, 7139286), (6, 3569643), (7, 3059694), (9, 2379762), (11, 1947078), (14, 1529847), (17, 1259874), (18, 1189881), (21, 1019898), (22, 973539), (27, 793254), (33, 649026), (34, 629937), (42, 509949), (51, 419958), (54, 396627), (63, 339966), (66, 324513), (77, 278154), (81, 264418), (99, 216342), (101, 212058), (102, 209979), (119, 179982), (126, 169983), (153, 139986), (154, 139077), (162, 132209), (187, 114534), (189, 113322), (198, 108171), (202, 106029), (231, 92718), (238, 89991), (297, 72114), (303, 70686), (306, 69993), (357, 59994), (374, 57267), (378, 56661), (459, 46662), (462, 46359), (561, 38178), (567, 37774), (594, 36057), (606, 35343), (693, 30906), (707, 30294), (714, 29997), (891, 24038), (909, 23562), (918, 23331), (1071, 19998), (1111, 19278), (1122, 19089), (1134, 18887), (1309, 16362), (1377, 15554), (1386, 15453), (1414, 15147), (1683, 12726), (1717, 12474), (1782, 12019), (1818, 11781), (2079, 10302), (2121, 10098), (2142, 9999), (2222, 9639), (2618, 8181), (2727, 7854), (2754, 7777), (3213, 6666), (3333, 6426), (3366, 6363), (3434, 6237), (3927, 5454), (4158, 5151), (4242, 5049)]