21247382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:992

約数の個数: 32

約数和(自身を含む): 37068192

約数和(自身を除く): 15820810

約数列:

[1, 2, 13, 17, 26, 34, 53, 106, 221, 442, 689, 901, 907, 1378, 1802, 1814, 11713, 11791, 15419, 23426, 23582, 30838, 48071, 96142, 200447, 400894, 624923, 817207, 1249846, 1634414, 10623691, 21247382]

約数ペア:

[(1, 21247382), (2, 10623691), (13, 1634414), (17, 1249846), (26, 817207), (34, 624923), (53, 400894), (106, 200447), (221, 96142), (442, 48071), (689, 30838), (901, 23582), (907, 23426), (1378, 15419), (1802, 11791), (1814, 11713)]