21872116

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41113}}^1$

素因数の和:41143

約数の個数: 24

約数和(自身を含む): 46047680

約数和(自身を除く): 24175564

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 41113, 82226, 164452, 287791, 575582, 781147, 1151164, 1562294, 3124588, 5468029, 10936058, 21872116]

約数ペア:

[(1, 21872116), (2, 10936058), (4, 5468029), (7, 3124588), (14, 1562294), (19, 1151164), (28, 781147), (38, 575582), (76, 287791), (133, 164452), (266, 82226), (532, 41113)]