21195696

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 58139136

約数和(自身を除く): 36943440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 73, 92, 138, 146, 184, 219, 263, 276, 292, 368, 438, 526, 552, 584, 789, 876, 1052, 1104, 1168, 1578, 1679, 1752, 2104, 3156, 3358, 3504, 4208, 5037, 6049, 6312, 6716, 10074, 12098, 12624, 13432, 18147, 19199, 20148, 24196, 26864, 36294, 38398, 40296, 48392, 57597, 72588, 76796, 80592, 96784, 115194, 145176, 153592, 230388, 290352, 307184, 441577, 460776, 883154, 921552, 1324731, 1766308, 2649462, 3532616, 5298924, 7065232, 10597848, 21195696]

約数ペア:

[(1, 21195696), (2, 10597848), (3, 7065232), (4, 5298924), (6, 3532616), (8, 2649462), (12, 1766308), (16, 1324731), (23, 921552), (24, 883154), (46, 460776), (48, 441577), (69, 307184), (73, 290352), (92, 230388), (138, 153592), (146, 145176), (184, 115194), (219, 96784), (263, 80592), (276, 76796), (292, 72588), (368, 57597), (438, 48392), (526, 40296), (552, 38398), (584, 36294), (789, 26864), (876, 24196), (1052, 20148), (1104, 19199), (1168, 18147), (1578, 13432), (1679, 12624), (1752, 12098), (2104, 10074), (3156, 6716), (3358, 6312), (3504, 6049), (4208, 5037)]