21386920990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{92986613}}^1$

素因数の和:92986643

約数の個数: 16

約数和(自身を含む): 40170217248

約数和(自身を除く): 18783296258

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 92986613, 185973226, 464933065, 929866130, 2138692099, 4277384198, 10693460495, 21386920990]

約数ペア:

[(1, 21386920990), (2, 10693460495), (5, 4277384198), (10, 2138692099), (23, 929866130), (46, 464933065), (115, 185973226), (230, 92986613)]