21568112

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:150

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 25571728

約数列:

[1, 2, 4, 8, 16, 23, 29, 43, 46, 47, 58, 86, 92, 94, 116, 172, 184, 188, 232, 344, 368, 376, 464, 667, 688, 752, 989, 1081, 1247, 1334, 1363, 1978, 2021, 2162, 2494, 2668, 2726, 3956, 4042, 4324, 4988, 5336, 5452, 7912, 8084, 8648, 9976, 10672, 10904, 15824, 16168, 17296, 19952, 21808, 28681, 31349, 32336, 46483, 57362, 58609, 62698, 92966, 114724, 117218, 125396, 185932, 229448, 234436, 250792, 371864, 458896, 468872, 501584, 743728, 937744, 1348007, 2696014, 5392028, 10784056, 21568112]

約数ペア:

[(1, 21568112), (2, 10784056), (4, 5392028), (8, 2696014), (16, 1348007), (23, 937744), (29, 743728), (43, 501584), (46, 468872), (47, 458896), (58, 371864), (86, 250792), (92, 234436), (94, 229448), (116, 185932), (172, 125396), (184, 117218), (188, 114724), (232, 92966), (344, 62698), (368, 58609), (376, 57362), (464, 46483), (667, 32336), (688, 31349), (752, 28681), (989, 21808), (1081, 19952), (1247, 17296), (1334, 16168), (1363, 15824), (1978, 10904), (2021, 10672), (2162, 9976), (2494, 8648), (2668, 8084), (2726, 7912), (3956, 5452), (4042, 5336), (4324, 4988)]