21268252

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{83}}^1$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 39813480

約数和(自身を除く): 18545228

約数列:

[1, 2, 4, 29, 47, 58, 83, 94, 116, 166, 188, 332, 1363, 2209, 2407, 2726, 3901, 4418, 4814, 5452, 7802, 8836, 9628, 15604, 64061, 113129, 128122, 183347, 226258, 256244, 366694, 452516, 733388, 5317063, 10634126, 21268252]

約数ペア:

[(1, 21268252), (2, 10634126), (4, 5317063), (29, 733388), (47, 452516), (58, 366694), (83, 256244), (94, 226258), (116, 183347), (166, 128122), (188, 113129), (332, 64061), (1363, 15604), (2209, 9628), (2407, 8836), (2726, 7802), (3901, 5452), (4418, 4814)]