21170268

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:744

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 43180452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 54, 63, 82, 84, 108, 123, 126, 164, 189, 246, 252, 287, 369, 378, 492, 574, 683, 738, 756, 861, 1107, 1148, 1366, 1476, 1722, 2049, 2214, 2583, 2732, 3444, 4098, 4428, 4781, 5166, 6147, 7749, 8196, 9562, 10332, 12294, 14343, 15498, 18441, 19124, 24588, 28003, 28686, 30996, 36882, 43029, 56006, 57372, 73764, 84009, 86058, 112012, 129087, 168018, 172116, 196021, 252027, 258174, 336036, 392042, 504054, 516348, 588063, 756081, 784084, 1008108, 1176126, 1512162, 1764189, 2352252, 3024324, 3528378, 5292567, 7056756, 10585134, 21170268]

約数ペア:

[(1, 21170268), (2, 10585134), (3, 7056756), (4, 5292567), (6, 3528378), (7, 3024324), (9, 2352252), (12, 1764189), (14, 1512162), (18, 1176126), (21, 1008108), (27, 784084), (28, 756081), (36, 588063), (41, 516348), (42, 504054), (54, 392042), (63, 336036), (82, 258174), (84, 252027), (108, 196021), (123, 172116), (126, 168018), (164, 129087), (189, 112012), (246, 86058), (252, 84009), (287, 73764), (369, 57372), (378, 56006), (492, 43029), (574, 36882), (683, 30996), (738, 28686), (756, 28003), (861, 24588), (1107, 19124), (1148, 18441), (1366, 15498), (1476, 14343), (1722, 12294), (2049, 10332), (2214, 9562), (2583, 8196), (2732, 7749), (3444, 6147), (4098, 5166), (4428, 4781)]