21034996944

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{3391}}^1\times {\mathrm{9941}}^1$

素因数の和:13356

約数の個数: 80

約数和(自身を含む): 58543586304

約数和(自身を除く): 37508589360

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 3391, 6782, 9941, 10173, 13564, 19882, 20346, 27128, 29823, 39764, 40692, 44083, 54256, 59646, 79528, 81384, 88166, 119292, 129233, 132249, 159056, 162768, 176332, 238584, 258466, 264498, 352664, 387699, 477168, 516932, 528996, 705328, 775398, 1033864, 1057992, 1550796, 2067728, 2115984, 3101592, 6203184, 33709931, 67419862, 101129793, 134839724, 202259586, 269679448, 404519172, 438229103, 539358896, 809038344, 876458206, 1314687309, 1618076688, 1752916412, 2629374618, 3505832824, 5258749236, 7011665648, 10517498472, 21034996944]

約数ペア:

[(1, 21034996944), (2, 10517498472), (3, 7011665648), (4, 5258749236), (6, 3505832824), (8, 2629374618), (12, 1752916412), (13, 1618076688), (16, 1314687309), (24, 876458206), (26, 809038344), (39, 539358896), (48, 438229103), (52, 404519172), (78, 269679448), (104, 202259586), (156, 134839724), (208, 101129793), (312, 67419862), (624, 33709931), (3391, 6203184), (6782, 3101592), (9941, 2115984), (10173, 2067728), (13564, 1550796), (19882, 1057992), (20346, 1033864), (27128, 775398), (29823, 705328), (39764, 528996), (40692, 516932), (44083, 477168), (54256, 387699), (59646, 352664), (79528, 264498), (81384, 258466), (88166, 238584), (119292, 176332), (129233, 162768), (132249, 159056)]