21315434

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1334

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 17564566

約数列:

[1, 2, 7, 14, 23, 46, 53, 106, 161, 322, 371, 742, 1219, 1249, 2438, 2498, 8533, 8743, 17066, 17486, 28727, 57454, 66197, 132394, 201089, 402178, 463379, 926758, 1522531, 3045062, 10657717, 21315434]

約数ペア:

[(1, 21315434), (2, 10657717), (7, 3045062), (14, 1522531), (23, 926758), (46, 463379), (53, 402178), (106, 201089), (161, 132394), (322, 66197), (371, 57454), (742, 28727), (1219, 17486), (1249, 17066), (2438, 8743), (2498, 8533)]