21927654

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:414

約数の個数: 96

約数和(自身を含む): 59641920

約数和(自身を除く): 37714266

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 29, 34, 42, 51, 58, 63, 87, 102, 119, 126, 153, 174, 203, 238, 261, 306, 353, 357, 406, 493, 522, 609, 706, 714, 986, 1059, 1071, 1218, 1479, 1827, 2118, 2142, 2471, 2958, 3177, 3451, 3654, 4437, 4942, 6001, 6354, 6902, 7413, 8874, 10237, 10353, 12002, 14826, 18003, 20474, 20706, 22239, 30711, 31059, 36006, 42007, 44478, 54009, 61422, 62118, 71659, 84014, 92133, 108018, 126021, 143318, 174029, 184266, 214977, 252042, 348058, 378063, 429954, 522087, 644931, 756126, 1044174, 1218203, 1289862, 1566261, 2436406, 3132522, 3654609, 7309218, 10963827, 21927654]

約数ペア:

[(1, 21927654), (2, 10963827), (3, 7309218), (6, 3654609), (7, 3132522), (9, 2436406), (14, 1566261), (17, 1289862), (18, 1218203), (21, 1044174), (29, 756126), (34, 644931), (42, 522087), (51, 429954), (58, 378063), (63, 348058), (87, 252042), (102, 214977), (119, 184266), (126, 174029), (153, 143318), (174, 126021), (203, 108018), (238, 92133), (261, 84014), (306, 71659), (353, 62118), (357, 61422), (406, 54009), (493, 44478), (522, 42007), (609, 36006), (706, 31059), (714, 30711), (986, 22239), (1059, 20706), (1071, 20474), (1218, 18003), (1479, 14826), (1827, 12002), (2118, 10353), (2142, 10237), (2471, 8874), (2958, 7413), (3177, 6902), (3451, 6354), (3654, 6001), (4437, 4942)]