21683116

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 25733204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 839, 923, 994, 1678, 1846, 1988, 3356, 3692, 5873, 6461, 10907, 11746, 12922, 21814, 23492, 25844, 43628, 59569, 76349, 119138, 152698, 238276, 305396, 416983, 774397, 833966, 1548794, 1667932, 3097588, 5420779, 10841558, 21683116]

約数ペア:

[(1, 21683116), (2, 10841558), (4, 5420779), (7, 3097588), (13, 1667932), (14, 1548794), (26, 833966), (28, 774397), (52, 416983), (71, 305396), (91, 238276), (142, 152698), (182, 119138), (284, 76349), (364, 59569), (497, 43628), (839, 25844), (923, 23492), (994, 21814), (1678, 12922), (1846, 11746), (1988, 10907), (3356, 6461), (3692, 5873)]