21793226

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 41390208

約数和(自身を除く): 19596982

約数列:

[1, 2, 7, 13, 14, 26, 61, 91, 122, 151, 169, 182, 302, 338, 427, 793, 854, 1057, 1183, 1586, 1963, 2114, 2366, 3926, 5551, 9211, 10309, 11102, 13741, 18422, 20618, 25519, 27482, 51038, 64477, 72163, 119743, 128954, 144326, 178633, 239486, 357266, 838201, 1556659, 1676402, 3113318, 10896613, 21793226]

約数ペア:

[(1, 21793226), (2, 10896613), (7, 3113318), (13, 1676402), (14, 1556659), (26, 838201), (61, 357266), (91, 239486), (122, 178633), (151, 144326), (169, 128954), (182, 119743), (302, 72163), (338, 64477), (427, 51038), (793, 27482), (854, 25519), (1057, 20618), (1183, 18422), (1586, 13741), (1963, 11102), (2114, 10309), (2366, 9211), (3926, 5551)]