21076704

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6653}}^1$

素因数の和:6680

約数の個数: 72

約数和(自身を含む): 65395512

約数和(自身を除く): 44318808

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6653, 13306, 19959, 26612, 39918, 53224, 59877, 73183, 79836, 106448, 119754, 146366, 159672, 212896, 219549, 239508, 292732, 319344, 439098, 479016, 585464, 638688, 658647, 878196, 958032, 1170928, 1317294, 1756392, 1916064, 2341856, 2634588, 3512784, 5269176, 7025568, 10538352, 21076704]

約数ペア:

[(1, 21076704), (2, 10538352), (3, 7025568), (4, 5269176), (6, 3512784), (8, 2634588), (9, 2341856), (11, 1916064), (12, 1756392), (16, 1317294), (18, 1170928), (22, 958032), (24, 878196), (32, 658647), (33, 638688), (36, 585464), (44, 479016), (48, 439098), (66, 319344), (72, 292732), (88, 239508), (96, 219549), (99, 212896), (132, 159672), (144, 146366), (176, 119754), (198, 106448), (264, 79836), (288, 73183), (352, 59877), (396, 53224), (528, 39918), (792, 26612), (1056, 19959), (1584, 13306), (3168, 6653)]