21167882938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{1123}}^1\times {\mathrm{1237}}^1$

素因数の和:2782

約数の個数: 32

約数和(自身を含む): 33563269440

約数和(自身を除く): 12395386502

約数列:

[1, 2, 19, 38, 401, 802, 1123, 1237, 2246, 2474, 7619, 15238, 21337, 23503, 42674, 47006, 450323, 496037, 900646, 992074, 1389151, 2778302, 8556137, 9424703, 17112274, 18849406, 26393869, 52787738, 557049551, 1114099102, 10583941469, 21167882938]

約数ペア:

[(1, 21167882938), (2, 10583941469), (19, 1114099102), (38, 557049551), (401, 52787738), (802, 26393869), (1123, 18849406), (1237, 17112274), (2246, 9424703), (2474, 8556137), (7619, 2778302), (15238, 1389151), (21337, 992074), (23503, 900646), (42674, 496037), (47006, 450323)]