21327124

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4507}}^1$

素因数の和:4544

約数の個数: 36

約数和(自身を含む): 46197984

約数和(自身を除く): 24870860

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4507, 4732, 9014, 18028, 31549, 58591, 63098, 117182, 126196, 234364, 410137, 761683, 820274, 1523366, 1640548, 3046732, 5331781, 10663562, 21327124]

約数ペア:

[(1, 21327124), (2, 10663562), (4, 5331781), (7, 3046732), (13, 1640548), (14, 1523366), (26, 820274), (28, 761683), (52, 410137), (91, 234364), (169, 126196), (182, 117182), (338, 63098), (364, 58591), (676, 31549), (1183, 18028), (2366, 9014), (4507, 4732)]