21073836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 59834880

約数和(自身を除く): 38761044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 41, 42, 58, 82, 84, 87, 116, 123, 164, 174, 203, 211, 246, 287, 348, 406, 422, 492, 574, 609, 633, 812, 844, 861, 1148, 1189, 1218, 1266, 1477, 1722, 2378, 2436, 2532, 2954, 3444, 3567, 4431, 4756, 5908, 6119, 7134, 8323, 8651, 8862, 12238, 14268, 16646, 17302, 17724, 18357, 24476, 24969, 25953, 33292, 34604, 36714, 42833, 49938, 51906, 60557, 73428, 85666, 99876, 103812, 121114, 128499, 171332, 181671, 242228, 250879, 256998, 363342, 501758, 513996, 726684, 752637, 1003516, 1505274, 1756153, 3010548, 3512306, 5268459, 7024612, 10536918, 21073836]

約数ペア:

[(1, 21073836), (2, 10536918), (3, 7024612), (4, 5268459), (6, 3512306), (7, 3010548), (12, 1756153), (14, 1505274), (21, 1003516), (28, 752637), (29, 726684), (41, 513996), (42, 501758), (58, 363342), (82, 256998), (84, 250879), (87, 242228), (116, 181671), (123, 171332), (164, 128499), (174, 121114), (203, 103812), (211, 99876), (246, 85666), (287, 73428), (348, 60557), (406, 51906), (422, 49938), (492, 42833), (574, 36714), (609, 34604), (633, 33292), (812, 25953), (844, 24969), (861, 24476), (1148, 18357), (1189, 17724), (1218, 17302), (1266, 16646), (1477, 14268), (1722, 12238), (2378, 8862), (2436, 8651), (2532, 8323), (2954, 7134), (3444, 6119), (3567, 5908), (4431, 4756)]