21311082

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1575

約数の個数: 48

約数和(自身を含む): 50574888

約数和(自身を除く): 29263806

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 183, 234, 366, 549, 793, 1098, 1493, 1586, 2379, 2986, 4479, 4758, 7137, 8958, 13437, 14274, 19409, 26874, 38818, 58227, 91073, 116454, 174681, 182146, 273219, 349362, 546438, 819657, 1183949, 1639314, 2367898, 3551847, 7103694, 10655541, 21311082]

約数ペア:

[(1, 21311082), (2, 10655541), (3, 7103694), (6, 3551847), (9, 2367898), (13, 1639314), (18, 1183949), (26, 819657), (39, 546438), (61, 349362), (78, 273219), (117, 182146), (122, 174681), (183, 116454), (234, 91073), (366, 58227), (549, 38818), (793, 26874), (1098, 19409), (1493, 14274), (1586, 13437), (2379, 8958), (2986, 7137), (4479, 4758)]