21672464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6481}}^1$

素因数の和:6519

約数の個数: 40

約数和(自身を含む): 48226080

約数和(自身を除く): 26553616

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6481, 12962, 25924, 51848, 71291, 103696, 123139, 142582, 246278, 285164, 492556, 570328, 985112, 1140656, 1354529, 1970224, 2709058, 5418116, 10836232, 21672464]

約数ペア:

[(1, 21672464), (2, 10836232), (4, 5418116), (8, 2709058), (11, 1970224), (16, 1354529), (19, 1140656), (22, 985112), (38, 570328), (44, 492556), (76, 285164), (88, 246278), (152, 142582), (176, 123139), (209, 103696), (304, 71291), (418, 51848), (836, 25924), (1672, 12962), (3344, 6481)]