21273714

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15349}}^1$

素因数の和:15375

約数の個数: 48

約数和(自身を含む): 57470400

約数和(自身を除く): 36196686

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, 15349, 30698, 46047, 92094, 107443, 138141, 168839, 214886, 276282, 322329, 337678, 506517, 644658, 966987, 1013034, 1181873, 1519551, 1933974, 2363746, 3039102, 3545619, 7091238, 10636857, 21273714]

約数ペア:

[(1, 21273714), (2, 10636857), (3, 7091238), (6, 3545619), (7, 3039102), (9, 2363746), (11, 1933974), (14, 1519551), (18, 1181873), (21, 1013034), (22, 966987), (33, 644658), (42, 506517), (63, 337678), (66, 322329), (77, 276282), (99, 214886), (126, 168839), (154, 138141), (198, 107443), (231, 92094), (462, 46047), (693, 30698), (1386, 15349)]