21485412

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{5101}}^1$

素因数の和:5130

約数の個数: 60

約数和(自身を含む): 60499516

約数和(自身を除く): 39014104

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 5101, 10202, 15303, 20404, 30606, 45909, 61212, 66313, 91818, 132626, 137727, 183636, 198939, 265252, 275454, 397878, 413181, 550908, 596817, 795756, 826362, 1193634, 1652724, 1790451, 2387268, 3580902, 5371353, 7161804, 10742706, 21485412]

約数ペア:

[(1, 21485412), (2, 10742706), (3, 7161804), (4, 5371353), (6, 3580902), (9, 2387268), (12, 1790451), (13, 1652724), (18, 1193634), (26, 826362), (27, 795756), (36, 596817), (39, 550908), (52, 413181), (54, 397878), (78, 275454), (81, 265252), (108, 198939), (117, 183636), (156, 137727), (162, 132626), (234, 91818), (324, 66313), (351, 61212), (468, 45909), (702, 30606), (1053, 20404), (1404, 15303), (2106, 10202), (4212, 5101)]