21163086

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55987}}^1$

素因数の和:56005

約数の個数: 32

約数和(自身を含む): 53748480

約数和(自身を除く): 32585394

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55987, 111974, 167961, 335922, 391909, 503883, 783818, 1007766, 1175727, 1511649, 2351454, 3023298, 3527181, 7054362, 10581543, 21163086]

約数ペア:

[(1, 21163086), (2, 10581543), (3, 7054362), (6, 3527181), (7, 3023298), (9, 2351454), (14, 1511649), (18, 1175727), (21, 1007766), (27, 783818), (42, 503883), (54, 391909), (63, 335922), (126, 167961), (189, 111974), (378, 55987)]