21030422

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 15983338

約数列:

[1, 2, 7, 14, 101, 107, 139, 202, 214, 278, 707, 749, 973, 1414, 1498, 1946, 10807, 14039, 14873, 21614, 28078, 29746, 75649, 98273, 104111, 151298, 196546, 208222, 1502173, 3004346, 10515211, 21030422]

約数ペア:

[(1, 21030422), (2, 10515211), (7, 3004346), (14, 1502173), (101, 208222), (107, 196546), (139, 151298), (202, 104111), (214, 98273), (278, 75649), (707, 29746), (749, 28078), (973, 21614), (1414, 14873), (1498, 14039), (1946, 10807)]