21281862

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26669}}^1$

素因数の和:26700

約数の個数: 32

約数和(自身を含む): 51206400

約数和(自身を除く): 29924538

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26669, 53338, 80007, 160014, 186683, 373366, 506711, 560049, 1013422, 1120098, 1520133, 3040266, 3546977, 7093954, 10640931, 21281862]

約数ペア:

[(1, 21281862), (2, 10640931), (3, 7093954), (6, 3546977), (7, 3040266), (14, 1520133), (19, 1120098), (21, 1013422), (38, 560049), (42, 506711), (57, 373366), (114, 186683), (133, 160014), (266, 80007), (399, 53338), (798, 26669)]