21304458

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18787}}^1$

素因数の和:18808

約数の個数: 40

約数和(自身を含む): 54560352

約数和(自身を除く): 33255894

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18787, 37574, 56361, 112722, 131509, 169083, 263018, 338166, 394527, 507249, 789054, 1014498, 1183581, 1521747, 2367162, 3043494, 3550743, 7101486, 10652229, 21304458]

約数ペア:

[(1, 21304458), (2, 10652229), (3, 7101486), (6, 3550743), (7, 3043494), (9, 2367162), (14, 1521747), (18, 1183581), (21, 1014498), (27, 789054), (42, 507249), (54, 394527), (63, 338166), (81, 263018), (126, 169083), (162, 131509), (189, 112722), (378, 56361), (567, 37574), (1134, 18787)]