21401884

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26357}}^1$

素因数の和:26397

約数の個数: 24

約数和(自身を含む): 44281440

約数和(自身を除く): 22879556

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 26357, 52714, 105428, 184499, 368998, 737996, 764353, 1528706, 3057412, 5350471, 10700942, 21401884]

約数ペア:

[(1, 21401884), (2, 10700942), (4, 5350471), (7, 3057412), (14, 1528706), (28, 764353), (29, 737996), (58, 368998), (116, 184499), (203, 105428), (406, 52714), (812, 26357)]