21111194

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 36457344

約数和(自身を除く): 15346150

約数列:

[1, 2, 13, 23, 26, 43, 46, 86, 299, 559, 598, 821, 989, 1118, 1642, 1978, 10673, 12857, 18883, 21346, 25714, 35303, 37766, 70606, 245479, 458939, 490958, 811969, 917878, 1623938, 10555597, 21111194]

約数ペア:

[(1, 21111194), (2, 10555597), (13, 1623938), (23, 917878), (26, 811969), (43, 490958), (46, 458939), (86, 245479), (299, 70606), (559, 37766), (598, 35303), (821, 25714), (989, 21346), (1118, 18883), (1642, 12857), (1978, 10673)]