21760461

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 34206720

約数和(自身を除く): 12446259

約数列:

[1, 3, 9, 23, 27, 67, 69, 201, 207, 523, 603, 621, 1541, 1569, 1809, 4623, 4707, 12029, 13869, 14121, 35041, 36087, 41607, 105123, 108261, 315369, 324783, 805943, 946107, 2417829, 7253487, 21760461]

約数ペア:

[(1, 21760461), (3, 7253487), (9, 2417829), (23, 946107), (27, 805943), (67, 324783), (69, 315369), (201, 108261), (207, 105123), (523, 41607), (603, 36087), (621, 35041), (1541, 14121), (1569, 13869), (1809, 12029), (4623, 4707)]