21946437968

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1181}}^1\times {\mathrm{12763}}^1$

素因数の和:13972

約数の個数: 80

約数和(自身を含む): 52382230656

約数和(自身を除く): 30435792688

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1181, 1456, 2362, 4724, 8267, 9448, 12763, 15353, 16534, 18896, 25526, 30706, 33068, 51052, 61412, 66136, 89341, 102104, 107471, 122824, 132272, 165919, 178682, 204208, 214942, 245648, 331838, 357364, 429884, 663676, 714728, 859768, 1161433, 1327352, 1429456, 1719536, 2322866, 2654704, 4645732, 9291464, 15073103, 18582928, 30146206, 60292412, 105511721, 120584824, 195950339, 211023442, 241169648, 391900678, 422046884, 783801356, 844093768, 1371652373, 1567602712, 1688187536, 2743304746, 3135205424, 5486609492, 10973218984, 21946437968]

約数ペア:

[(1, 21946437968), (2, 10973218984), (4, 5486609492), (7, 3135205424), (8, 2743304746), (13, 1688187536), (14, 1567602712), (16, 1371652373), (26, 844093768), (28, 783801356), (52, 422046884), (56, 391900678), (91, 241169648), (104, 211023442), (112, 195950339), (182, 120584824), (208, 105511721), (364, 60292412), (728, 30146206), (1181, 18582928), (1456, 15073103), (2362, 9291464), (4724, 4645732), (8267, 2654704), (9448, 2322866), (12763, 1719536), (15353, 1429456), (16534, 1327352), (18896, 1161433), (25526, 859768), (30706, 714728), (33068, 663676), (51052, 429884), (61412, 357364), (66136, 331838), (89341, 245648), (102104, 214942), (107471, 204208), (122824, 178682), (132272, 165919)]