21031432443

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2510017}}^1$

素因数の和:2510056

約数の個数: 36

約数和(自身を含む): 37198466760

約数和(自身を除く): 16167034317

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 2510017, 7530051, 17570119, 22590153, 47690323, 52710357, 122990833, 143070969, 158131071, 333832261, 368972499, 429212907, 1001496783, 1106917497, 2336825827, 3004490349, 7010477481, 21031432443]

約数ペア:

[(1, 21031432443), (3, 7010477481), (7, 3004490349), (9, 2336825827), (19, 1106917497), (21, 1001496783), (49, 429212907), (57, 368972499), (63, 333832261), (133, 158131071), (147, 143070969), (171, 122990833), (399, 52710357), (441, 47690323), (931, 22590153), (1197, 17570119), (2793, 7530051), (8379, 2510017)]