21091224

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 66977280

約数和(自身を除く): 45886056

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 101, 113, 132, 154, 168, 202, 226, 231, 264, 303, 308, 339, 404, 452, 462, 606, 616, 678, 707, 791, 808, 904, 924, 1111, 1212, 1243, 1356, 1414, 1582, 1848, 2121, 2222, 2373, 2424, 2486, 2712, 2828, 3164, 3333, 3729, 4242, 4444, 4746, 4972, 5656, 6328, 6666, 7458, 7777, 8484, 8701, 8888, 9492, 9944, 11413, 13332, 14916, 15554, 16968, 17402, 18984, 22826, 23331, 26103, 26664, 29832, 31108, 34239, 34804, 45652, 46662, 52206, 62216, 68478, 69608, 79891, 91304, 93324, 104412, 125543, 136956, 159782, 186648, 208824, 239673, 251086, 273912, 319564, 376629, 479346, 502172, 639128, 753258, 878801, 958692, 1004344, 1506516, 1757602, 1917384, 2636403, 3013032, 3515204, 5272806, 7030408, 10545612, 21091224]

約数ペア:

[(1, 21091224), (2, 10545612), (3, 7030408), (4, 5272806), (6, 3515204), (7, 3013032), (8, 2636403), (11, 1917384), (12, 1757602), (14, 1506516), (21, 1004344), (22, 958692), (24, 878801), (28, 753258), (33, 639128), (42, 502172), (44, 479346), (56, 376629), (66, 319564), (77, 273912), (84, 251086), (88, 239673), (101, 208824), (113, 186648), (132, 159782), (154, 136956), (168, 125543), (202, 104412), (226, 93324), (231, 91304), (264, 79891), (303, 69608), (308, 68478), (339, 62216), (404, 52206), (452, 46662), (462, 45652), (606, 34804), (616, 34239), (678, 31108), (707, 29832), (791, 26664), (808, 26103), (904, 23331), (924, 22826), (1111, 18984), (1212, 17402), (1243, 16968), (1356, 15554), (1414, 14916), (1582, 13332), (1848, 11413), (2121, 9944), (2222, 9492), (2373, 8888), (2424, 8701), (2486, 8484), (2712, 7777), (2828, 7458), (3164, 6666), (3333, 6328), (3729, 5656), (4242, 4972), (4444, 4746)]