21445624

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 41559840

約数和(自身を除く): 20114216

約数列:

[1, 2, 4, 8, 41, 82, 151, 164, 302, 328, 433, 604, 866, 1208, 1732, 3464, 6191, 12382, 17753, 24764, 35506, 49528, 65383, 71012, 130766, 142024, 261532, 523064, 2680703, 5361406, 10722812, 21445624]

約数ペア:

[(1, 21445624), (2, 10722812), (4, 5361406), (8, 2680703), (41, 523064), (82, 261532), (151, 142024), (164, 130766), (302, 71012), (328, 65383), (433, 49528), (604, 35506), (866, 24764), (1208, 17753), (1732, 12382), (3464, 6191)]