21872136

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6373}}^1$

素因数の和:6406

約数の個数: 64

約数和(自身を含む): 64249920

約数和(自身を除く): 42377784

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 264, 286, 312, 429, 572, 858, 1144, 1716, 3432, 6373, 12746, 19119, 25492, 38238, 50984, 70103, 76476, 82849, 140206, 152952, 165698, 210309, 248547, 280412, 331396, 420618, 497094, 560824, 662792, 841236, 911339, 994188, 1682472, 1822678, 1988376, 2734017, 3645356, 5468034, 7290712, 10936068, 21872136]

約数ペア:

[(1, 21872136), (2, 10936068), (3, 7290712), (4, 5468034), (6, 3645356), (8, 2734017), (11, 1988376), (12, 1822678), (13, 1682472), (22, 994188), (24, 911339), (26, 841236), (33, 662792), (39, 560824), (44, 497094), (52, 420618), (66, 331396), (78, 280412), (88, 248547), (104, 210309), (132, 165698), (143, 152952), (156, 140206), (264, 82849), (286, 76476), (312, 70103), (429, 50984), (572, 38238), (858, 25492), (1144, 19119), (1716, 12746), (3432, 6373)]