21160737

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{167}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 35844480

約数和(自身を除く): 14683743

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 167, 171, 247, 351, 361, 501, 513, 741, 1083, 1503, 2171, 2223, 3173, 3249, 4509, 4693, 6513, 6669, 9519, 9747, 14079, 19539, 28557, 41249, 42237, 58617, 60287, 85671, 123747, 126711, 180861, 371241, 542583, 783731, 1113723, 1627749, 2351193, 7053579, 21160737]

約数ペア:

[(1, 21160737), (3, 7053579), (9, 2351193), (13, 1627749), (19, 1113723), (27, 783731), (39, 542583), (57, 371241), (117, 180861), (167, 126711), (171, 123747), (247, 85671), (351, 60287), (361, 58617), (501, 42237), (513, 41249), (741, 28557), (1083, 19539), (1503, 14079), (2171, 9747), (2223, 9519), (3173, 6669), (3249, 6513), (4509, 4693)]