21065814

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15199}}^1$

素因数の和:15225

約数の個数: 48

約数和(自身を含む): 56908800

約数和(自身を除く): 35842986

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15199, 30398, 45597, 91194, 106393, 136791, 167189, 212786, 273582, 319179, 334378, 501567, 638358, 957537, 1003134, 1170323, 1504701, 1915074, 2340646, 3009402, 3510969, 7021938, 10532907, 21065814]

約数ペア:

[(1, 21065814), (2, 10532907), (3, 7021938), (6, 3510969), (7, 3009402), (9, 2340646), (11, 1915074), (14, 1504701), (18, 1170323), (21, 1003134), (22, 957537), (33, 638358), (42, 501567), (63, 334378), (66, 319179), (77, 273582), (99, 212786), (126, 167189), (154, 136791), (198, 106393), (231, 91194), (462, 45597), (693, 30398), (1386, 15199)]