21877322

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:390

約数の個数: 24

約数和(自身を含む): 35035236

約数和(自身を除く): 13157914

約数列:

[1, 2, 19, 38, 157, 193, 314, 361, 386, 722, 2983, 3667, 5966, 7334, 30301, 56677, 60602, 69673, 113354, 139346, 575719, 1151438, 10938661, 21877322]

約数ペア:

[(1, 21877322), (2, 10938661), (19, 1151438), (38, 575719), (157, 139346), (193, 113354), (314, 69673), (361, 60602), (386, 56677), (722, 30301), (2983, 7334), (3667, 5966)]